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Preconditions for bioenergy with carbon capture and storage (BECCS) in sub-Saharan Africa: the case of Tanzania

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Most mitigation scenarios compatible with a likely change of holding global warming well below 2 °C rely on negative emissions technologies (NETs). According to the integrated assessment models (IAMs) used to produce mitigation scenarios for the IPCC reports, the NET with the greatest potential to achieve negative emissions is bioenergy with carbon capture and storage (BECCS). Crucial questions arise about where the enormous quantities of biomass needed according to the IAM scenarios could feasibly be produced in a sustainable manner. Africa is attractive in the context of BECCS because of large areas that could contribute biomass energy and indications of substantial underground CO2 storage capacities. However, estimates of large biomass availability in Africa are usually based on highly aggregated datasets, and only a few studies explore future challenges or barriers for BECCS in any detail. Based on previous research and literature, this paper analyses the pre-conditions for BECCS in Tanzania by studying what we argue are the applications of BECCS, or the components of the BECCS chain, that are most feasible in the country, namely (1) as applied to domestic sugarcane-based energy production (bioethanol), and (2) with Tanzania in a producer and re-growth role in an international BECCS chain, supplying biomass or biofuels for export to developed countries. The review reveals that a prerequisite for both options is either the existence of a functional market for emissions trading and selling, making negative emissions a viable commercial investment, or sustained investment through aid programmes. Also, historically, an important barrier to the development of production capacity of liquid biofuels for export purposes has been given by ethical dilemmas following in the wake of demand for land to facilitate production of biomass, such as sugarcane and jatropha. In these cases, conflicts over access to land and mismanagement have been more of a rule than an exception. Increased production volumes of solid biomass for export to operations that demand bioenergy, be it with or without a CCS component, is likely to give rise to similar conflicts. While BECCS may well play an important role in reducing emissions in countries with high capacity to act combined with existing large point sources of biogenic CO2 emissions, it seems prudent to proceed with utmost caution when implicating BECCS deployment in least developed countries, like Tanzania.The paper argues that negative BECCS-related emissions from Tanzania should not be assumed in global climate mitigation scenarios.
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Vol.:(0123456789)
Environment, Development and Sustainability (2020) 22:6851–6875
https://doi.org/10.1007/s10668-019-00517-y
1 3
Preconditions forbioenergy withcarbon capture andstorage
(BECCS) insub‑Saharan Africa: thecase ofTanzania
AndersHansson, etal.[full author details at the end of the article]
Received: 10 October 2018 / Accepted: 11 November 2019 / Published online: 21 November 2019
© The Author(s) 2019
Abstract
Most mitigation scenarios compatible with a likely change of holding global warming well
below 2°C rely on negative emissions technologies (NETs). According to the integrated
assessment models (IAMs) used to produce mitigation scenarios for the IPCC reports, the
NET with the greatest potential to achieve negative emissions is bioenergy with carbon
capture and storage (BECCS). Crucial questions arise about where the enormous quanti-
ties of biomass needed according to the IAM scenarios could feasibly be produced in a
sustainable manner. Africa is attractive in the context of BECCS because of large areas
that could contribute biomass energy and indications of substantial underground CO2 stor-
age capacities. However, estimates of large biomass availability in Africa are usually based
on highly aggregated datasets, and only a few studies explore future challenges or barriers
for BECCS in any detail. Based on previous research and literature, this paper analyses
the pre-conditions for BECCS in Tanzania by studying what we argue are the applications
of BECCS, or the components of the BECCS chain, that are most feasible in the country,
namely (1) as applied to domestic sugarcane-based energy production (bioethanol), and
(2) with Tanzania in a producer and re-growth role in an international BECCS chain, sup-
plying biomass or biofuels for export to developed countries. The review reveals that a
prerequisite for both options is either the existence of a functional market for emissions
trading and selling, making negative emissions a viable commercial investment, or sus-
tained investment through aid programmes. Also, historically, an important barrier to the
development of production capacity of liquid biofuels for export purposes has been given
by ethical dilemmas following in the wake of demand for land to facilitate production of
biomass, such as sugarcane and jatropha. In these cases, conflicts over access to land and
mismanagement have been more of a rule than an exception. Increased production volumes
of solid biomass for export to operations that demand bioenergy, be it with or without a
CCS component, is likely to give rise to similar conflicts. While BECCS may well play an
important role in reducing emissions in countries with high capacity to act combined with
existing large point sources of biogenic CO2 emissions, it seems prudent to proceed with
utmost caution when implicating BECCS deployment in least developed countries, like
Tanzania.The paper argues that negative BECCS-related emissions from Tanzania should
not be assumed in global climate mitigation scenarios.
Keywords Tanzania· Bioenergy with carbon capture and storage· BECCS· Negative
emissions· Bioenergy· Biomass· Climate change· Least developed countries
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1 Introduction
Most climate scenarios compatible with a likely change of holding global warming well
below 2°C rely on negative emissions technologies (NETs). According to the integrated
assessment models (IAMs) used to produce climate scenarios for the Intergovernmental
Panel on Climate Change (IPCC) reports, the NET with the greatest potential to achieve
negative emissions is bioenergy with carbon capture and storage (BECCS) (Beck and
Mahony 2018; Fuss etal. 2014; Gough etal. 2018a, b; Harper etal. 2018). This method
features in the scenarios despite only experimental scale experiences and acknowledged
major uncertainties related to, for example, technological capacity, maturity and the
availability of sustainable biomass. Fuss etal. (2014) estimate the required quantities
of removed carbon, if guided by the estimates from the IPCC’s Working Group III, to
be in the range between 2 and 10Gt annually in 2050. Such a huge deployment would,
among other things, entail serious land-use trade-offs with possibly long-lasting impacts
on food security, fibre production, biodiversity and fresh water and fertilizer supply
(Creutzig etal. 2015; Fuss etal. 2014; Harper etal. 2018).
Crucial questions arise about where the enormous quantities of biomass needed accord-
ing to the IAM scenarios could be produced in a sustainable manner. Many IAMs deploy
large amounts of BECCS in sub-Saharan Africa, and according to the Carbon Mitigation
Initiative at Princeton University, Africa is attractive in the context of BECCS because
of large areas that could contribute biomass energy and indications of substantial under-
ground carbon dioxide (CO2) storage capacities. The initiative has presented the idea that
the USA could meet ambitious national emissions targets in 2050 by buying offsets from
African BECCS projects, while also providing opportunities for co-benefits in Africa, such
as sustainable fuels for cooking and transport (Williams and Larsen 2012).
However, estimates of large biomass availability in Africa are usually based on
highly aggregated datasets, and only a few studies explore future challenges or barri-
ers for BECCS in any detail. Technical and social challenges for the rapid up-scaling of
BECCS in different socio-economic and geographical contexts have not yet been satis-
factorily explored (Anderson and Peters 2016; Buck 2016; Carton 2019; Creutzig etal.
2015; Fuss etal. 2014; Geden 2015; Gough etal. 2018a, b). Buck (2016) has further
argued that context-dependent factors such as national politics, land characteristics and
social relations are likely to significantly determine the feasibility of BECCS, and that
such factors are missing from highly generalized mitigationscenarios. This paper thus
seeks to contribute to more context-sensitive knowledge about the feasibility of BECCS,
with an in-depth analysis of socio-economic, geographical and institutional precondi-
tions in Tanzania, a developing country identified by IAMs as having a large poten-
tial for large-scale BECCS deployment (Harper etal. 2018). Following Buck’s (2016)
suggestion that analogue cases may be the most accessible route for understanding the
feasibility of BECCS, given the lack of real-world experiences of large-scale BECCS,
we will explore large-scale biofuel investments in Tanzania as an entry point for a more
general discussion about the feasibility of large-scale BECCS in sub-Saharan Africa.
Based on the previous research and literature, this paper analyses the preconditions
for BECCS in Tanzania by studying what we argue are the applications of BECCS, or
the components of the BECCS chain, that are most feasible in the country, namely (1)
as applied to domestic sugarcane-based energy production (bioethanol), and (2) with
Tanzania in a producer and re-growth role in an international BECCS chain, supplying
biomass or biofuels for export to developed countries.
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2 Background
The core idea of BECCS is the growth and utilization of biomass for different industrial
and energy purposes and subsequent storage of the resulting CO2 by-product in geologi-
cal formations while also re-growing biomass. Because CO2 is stored both in the biomass
through photosynthesis and after the biomass has been processed, the technology allows
for the potential of net negative CO2 emissions. Due to its significant capital costs, it is
regarded as applicable only to large point sources, primarily the paper and pulp industry,
biofuel producers or combined heat and power plants. A huge drawback of BECCS is its
heavy energy penalty, which means it significantly lowers the efficiency of the industrial
process it is applied to (Bui etal. 2017; Jönsson and Berntsson 2012).
Tanzania is theoretically well suited for biomass generation on an industrial scale. It has
long been considered a forerunner in sub-Sahara Africa in carbon forestry management
(Blomley etal. 2008), and even termed an “African poster child for policy reform” with
regard to forest management (Koch 2017: p. 181), while also taking the lead in the produc-
tion of jatropha biofuel and influencing the international debate that followed (Arora etal.
2013; Gasparatos etal. 2015). The country has several characteristics that suggest it is also
suitable for BECCS deployment, as evidenced by the recent history of Western investments
in liquid biofuels and other land-based projects (Harnesk and Brogaard 2016). These pro-
jects have been motivated by the fact that 46% of the country is covered with forests, and
that it possesses an abundance of unused land, a large available workforce and governmen-
tal structures that are generally perceived to be stable and supportive of foreign investment
(Habib-Mintz 2010; Mwakaje 2012). Even though BECCS is currently absent as a political
issue in Tanzania, its vast biomass resources, beneficial preconditions according to many
IAMs (e.g. Harper et al. 2018), recent history of foreign investments, and central posi-
tion in international debates on biofuels and forest management make it arguably one of
the most suitable objects for a case-based investigation into the feasibility of BECCS in
sub-Saharan Africa. Furthermore, it is the only African country that has been targeted for
claimed investments aimed at a development of BECCS (Kemper 2015; Swedish Radio
2009).
2.1 Analytical framework andmethod
Due to the fact that BECCS lacks both a technology/science push and market pull, it can
be said to lack the main determinants of emerging technologies succeeding in breaking
through (Bellamy and Healey 2018; Freeman 1986). This, in addition to the fact that it
does not yet exist on a commercial scale, poses challenges for how to study its hypotheti-
cal future development, thus studies of system innovations, the emergence of sustainable
technologies and socio-technical transitions (Edquist 1997; Geels 2012; Metcalfe and
Cantner 2003; Smith etal. 2005) are likely to be of limited value. Yet, some theoretical
premises for novel technology development can be derived from such literature, and we
will employ a basic analytical framework suggested by Jacobsson and Lauber (2006) for
the analysis of BECCS’ potential in Tanzania. As Markard etal. (2012) note, there is also
a value in expanding studies of sustainable transitions to countries outside the OECD core,
not least to highlight unequal power relations in technological development, that are of cru-
cial importance for the potential implementation of BECCS in sub-Saharan Africa (Hansen
etal. 2018; Lawhon and Murphy 2012; Wieczorek 2018).
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The analytical framework suggested by Jacobsson and Lauber (2006) assumes that
large-scale technological transformations presuppose and entail economic, social and infra-
structural transformations at different scales. First, they require institutional change, which
includes the creation of policies, legislation, regulatory standards, knowledge and political
structures that facilitate the emergence of a new technology and its access to technological
expertise and markets. Here, we would also add the importance of informal institutions to
complement and operate in the void between incomplete or inadequate formal institutions,
and that may include historical memory and trust (van Assche etal. 2014). Because infor-
mal institutions are harder to detect, they may be easy to overlook, but they are often cru-
cial in determining path dependencies of different kinds, something that Wieczorek (2018)
highlights as key to understanding socio-technical innovation in developing countries.
Secondly, a new technology is dependent on the formation of markets for its break-
through, something that is in itself closely connected to institutional change. New markets
often need a period of protection, during which crucial learning processes help the tech-
nology reach commercial maturity, and incentive structures of different kinds may induce
firms to enter. Here, in line with Karnøe and Garud (2012), we would highlight that insti-
tutions not only act as limiting factors or structural determinants of path dependency, but
may also be seen in an alternative light as preconditions for path creation, perhaps espe-
cially so if they are weak or malleable.
Thirdly, the creation of broader constituencies and advocacy coalitions beyond purely
commercial actors is necessary for technological development. Such constituencies involve
non-market actors like NGOs and universities, who contribute to fostering both material
preconditions and softer structures like acceptance and legitimacy. Fourthly, the entrance
of new firms into the interplay of institutions, market forces and advocacy coalitions will
decide the success of an emerging technology. In the context of developing countries, Mar-
quardt etal. (2016), Nygaard and Bolwig (2018) and Sixt etal. (2018) have highlighted
the importance of support and advocacy from international actors, while van Welie and
Romijn (2018) stress the need to embed technological development in the local culture.
Because of the still highly hypothetical nature of BECCS development as a technological
system, we treat these third and fourth steps as a single step in the concluding discussion.
This framework should be seen as a simple set of criteria against which we evaluate the
possibilities of BECCS development in Tanzania in the concluding discussion, and it is not
employed in the main literature review, which follows in the next section.
The paper is based on secondary literature that was found through the Unisearch web
application. We selected literature based on its relevance according to our analytical frame-
work and assumptions about BECCS’ feasibility in Tanzania, i.e. that it is most likely to
be applied in relation to ethanol production or with Tanzania acting as a provider of solid
biomass for export. Thus, we included literature that pertained to geographical conditions
of relevance for industrial biomass production, land-use trade-offs, case studies of biofuel
projects, and formal institutional frameworks regulating biofuel production and foreign
investments, all geographically limited to Tanzania.
The vast majority of texts are peer-reviewed scientific publications, but some items of
particular relevance from the grey literature and from news sources were also included.
The search (which included the search strings “Tanzania”, “LDC”, “BECCS”, “bioen-
ergy with carbon capture and storage”, “SEKAB”, “ethanol production”, “biofuel” and
“REDD+” in various combinations) generated around 60 texts which were deemed rele-
vant after an initial brief overview and reading of the abstracts. Further texts were included
using the reference lists. This first selection was then closely read and cross-analysed by
all authors, allowing us to make a number of key points in relation to our research problem
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Preconditions forbioenergy withcarbon capture andstorage…
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and analytical framework. It should be noted that we have used the literature review as
a basis for an analysis of formal and informal institutional preconditions for large-scale
BECCS in Tanzania, and that our aim has neither been to perform a comprehensive litera-
ture review nor an overview of the field or bibliometric analysis. While certain papers of
potential relevance might therefore not have been included, we are confident that our main
arguments are sustained by and firmly anchored in relevant literature.
3 Background
3.1 Path creation preconditions forBECCS inTanzania: ethanol orsolid biomass
forexport
The more recent mitigationscenarios, described by Riahi etal. (2017), which deliver
a climate forcing of 2.6W/m2 in 2100 (i.e. compatible with the 2 °C goal), deploy
BECCS in all world regions, including the region “Africa and the Middle East”. As
early as mid-century, the average deployment rate of BECCS in this region is 6.3 EJ (i.e.
1700 TWh). By 2060, all 2°C scenarios deploy BECCS to some extent, averaging 27.4
EJ (see Fig.1). For comparison, 0.022 EJ (i.e. 6 TWh) of electricity was produced in
Tanzania in 2014.
The electricity grid in Tanzania is severely underdeveloped, with the majority of its
population living in rural, off-grid or isolated grid areas (Felix and Gheewala 2012; Msy-
ani 2013). Electricity makes up a fraction of the country’s primary energy supply (Msy-
ani 2013; Odhiambo 2009), and only approx. 15–30% of the Tanzanians have access to
electricity, a vast majority of them are living in urban areas (Amars etal. 2017; Aly etal.
0
10
20
30
40
50
60
70
80
90
100
2020 2030 2040 2050 2060 2070 2080 2090 2100
Primary energy, biomass with CCS [EJ]
Mean High Low Median
Fig. 1 Use of BECCS in the Middle East and Africa in the Shared Socio-economic Pathways Database’s
scenarios (n = 19) compatible with a forcing of 2.6W/m2 in 2100 (i.e. 2°C compatible)
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2017). At present, the Tanzanian energy system is dominated by biomass as a cooking
fuel, which represent well over 80% of total energy consumption (AfDB 2015; Odhiambo
2009). At the same time, biomass contributes well below 1% to electricity generation; most
electricity is instead generated from natural gas fired thermal power plants and hydropower
(Amars etal. 2017). Increasing the level of access to electricity is highly prioritized for
the Tanzanian government. However, government plans for electrification centre on fossil
fuels and an ambition to vastly expand the country’s large-scale hydroelectric resources
(Amars etal. 2017; Bhati and Koshy 2018; Kichonge 2018). The official generation expan-
sion plan assumes that in 2025, 75% of the power production will be supplied by fossil fuel
fired power plants, 20% by hydro and 5% by other renewables (Aly etal. 2017). Part of the
plans for a 75% fossil fuel based electricity generation, approx. 26 percentage points, is
coal-based. Up to 8% of this could potentially be co-fired with biomass without necessitat-
ing separate fuel system preparation or delivery systems (Demirbas 2003). Yet in general,
the prospects for a development of a domestic bioenergy-based power system in Tanzania
seem slim. Furthermore, because the paper and pulp industry is limited to a single facility,
this avenue for BECCS is also restricted.
In general, the prospects for CO2 storage are deemed to be low in the onshore sub-Saha-
ran Africa, but suitable geological CO2 storage basins may exist onshore in the coastal
areas of Tanzania. Storage potentials are not well explored, however, due to a lack of expe-
rience of oil and gas extraction in those areas (Haszeldine 2006). It has been suggested
that the neighbouring country in the south, Mozambique, has extensive storage capacity,
more than enough for its future domestic needs. The northern region of Mozambique has
been identified as one of the most promising areas for extracting natural gas and coal, espe-
cially the Rovuma basin (235–470Mt CO2) (Global CCS Institute 2015), but none of the
major extractive industrial actors have been promoting geological CO2 storage here. Sasol,
the major South African chemical and energy company, is investing heavily in natural gas
extraction in Mozambique and acknowledges climate change as a paramount challenge.
It has an active interest in carbon capture and storage (CCS) as partners of “The South
African Centre for Carbon Capture and Storage” and as stakeholders in “CCS forerunners
Technology Centre Mongstad” in Norway. The viability for geological storage of CO2 is
currently claimed to be investigated by Sasol, but only domestically in South Africa. Natu-
ral gas extraction in Mozambique is presented by the company as an opportunity to dis-
place more carbon intensive fuels like coal, rather than enabling CO2 storage (Sasol 2018).
Very large natural gas resources (37 trillion cubic feet) were discovered off-shore in
2010, in the south eastern regions of Tanzania, bordering Mozambique. These resources
vastly outnumber the domestic demand for natural gas, and consequently, the gas resources
can only be fully monetized through exports of liquefied natural gas. Several major inter-
national energy companies have been invited by the government to form joint ventures, to
facilitate the construction of the multi-billion dollar infrastructure needed to exploit the
resources. This would constitute one of the continent’s most capital-intensive infrastruc-
ture projects, estimated to cost at least US$ 20–30 billion. However, since the discover-
ies were made in 2010, the government’s view on revenues and ownership structures has
changed towards a more nationalistic stance, with more control left to domestic and state-
controlled companies and a shift in focus from institutional capacity building to maximiz-
ing benefits for Tanzania (Hundsbaek Pedersen and Bofin 2019). According to Hundsbaek
Pedersen and Bofin (2019), the driver for the radical change was the anxiety that foreign
actors would extract the resources without contributing to the Tanzanian economy, as has
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been the case historically. This shift in focus was formalized in the Petroleum Act of 2015
and three Sovereignty Acts of 2017,1 which among other things declared national sover-
eignty over natural resources and disallowed companies to take disputes to international
arbitration. Consequently, several major international actors have ongoing disputes with
the Tanzanian government. Certainly, the unpredictability that has followed the publication
of the Sovereignty Acts has made Tanzania less attractive for foreign investments in large-
scale infrastructure (Hundsbaek Pedersen and Bofin 2019), and will most likely also keep
the integration of carbon storage in the slowly emerging Tanzanian fossil fuel sector off the
table for the foreseeable future.
Instead, in the following, we discuss the avenues ahead for the arguably least prob-
lematic options for integrating Tanzania in a future BECCS system. First, in spite of the
acknowledged challenges of taking advantage of suitable storage sites in the region, we
discuss the technically least complex and least costly option for capturing relatively large
amounts of CO2, and secondly, we discuss the growth of biomass for export within an
international BECCS system, which would reposit the challenges and main responsibility
of storage to developed countries.
As the fermentation of sugar gives rise to almost pure CO2 fumes (99% purity in the
reactor), capturing CO2 from ethanol production is generally considered among the cheap-
est options for BECCS (Moreira etal. 2016). The techno-economic potential for ethanol
production in Tanzania, in different scenarios, has been assessed at 6–26 million litres (l)
annually from sugarcane molasses (a by-product from the production of sugar) and an addi-
tional 15–79 million l annually from sugarcane juice, i.e. a combined potential of 21–105
million l annually (Quintero etal. 2012). As ethanol weighs approx. 0.8kg/l, the produc-
tion potential corresponds to 17–84 million kg of ethanol annually. Fermentation resulting
in 1kg ethanol releases approximately 0.96kg CO2 (Moreira etal. 2016). The scenarios
for ethanol production, thus, correspond to releasing approx. 0.016–0.081 million metric
tonnes (Mt) of biogenic CO2 annually. This can be compared to Tanzania’s total emis-
sions in 2014 of 290 MtCO2eq including land use, land use change and forestry (LULUCF),
and 80 MtCO2eq excluding LULUCF. However, there are possibilities to combine differ-
ent scenarios to further increase production (Quintero etal. 2012). Thurlow etal. (2016)
conclude that the economic incentives for ethanol production in Tanzania are strong,
indicating that ethanol production could expand relatively rapidly under the right market
conditions. Eshton and Katima (2015) show that under the right market conditions and
optimization of cultivation practices, reducing the need for chemical fertilizers, biofuels
may, if not exported, reduce the GHG emissions by 70% compared with fossil fuels, while
also increasing Tanzanian energy security. However, they also emphasize that Tanzania has
low food productivity, and consequently, large investments in bioenergy crops could have
negative socio-economic implications. Figure2 shows total sugar production in Tanzania
from 2007/2008 to 2016/2017 indicating annual variability in total sugar production, with
a slightly positive trend starting from 2011/2012.
Potentially, ethanol could also be used for cooking, which could prove to be a crucial
improvement from an environmental perspective. Both rural and urban Tanzanian house-
holds are heavily dependent on firewood or charcoal for heating and cooking, with Felix
and Gheewala (2011) reporting 94% of all households and 78% of households in Dar es
1 The Natural Wealth and Resources (Permanent Sovereignty) Act, the Natural Wealth and Resources
(Review and Re-Negotiation of Unconscionable Terms) Act and The Written Laws (Miscellaneous Amend-
ments) Act.
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6858
A.Hansson et al.
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Salaam to be reliant on the fuel. In 2000, total consumption of charcoal in the country was
estimated at 750,000 tonnes (Sheya and Mushi 2000), and Odhiambo (2009) has reported
90% of total energy consumption to be biomass-based. Apart from causing health problems
through air pollution, this enormous level of charcoal production puts heavy pressure on
the forest, with deforestation increasingly being acknowledged as a problem. Government
attempts to impose fines on charcoal production have largely failed due to difficulties in
regulating this unofficial economy, and substituting charcoal for liquefied petroleum gas
(LPG) is only an option for the relatively rich (Felix and Gheewala 2011).
Thus, there is a potential side-benefit to be found in implementing BECCS in relation to
expanded use of ethanol domestically in Tanzania. Just as importantly, however, increased
production of biomass for biofuel purposes risks results in positive emissions when all
factors are considered, and thus further environmental degradation (Harper et al. 2018;
Romijn 2009). Apart from causing biodiversity stress, deforestation is the major source
of greenhouse gases in Tanzania. Agriculture, forestry and other land uses (AFOLU) in
Tanzania account for 93.2% of total emissions, which dwarfs the emissions from the other
sectors. Energy contributes to 3.8%, waste management to 1.5%, and industrial processes
and product use to 0.5%. Deforestation and forest degradation account for the largest emis-
sions in the AFOLU sector, with approximate annual emission of 37MtCO2eq (URT 2014,
2017).
A BECCS supply chain does not need to be confined to one single country. Peters and
Geden (2017) illustrate a potential BECCS system with biomass harvesting in Cameroon
exported to the UK for combustion and carbon capture and subsequent permanent storage
in Norway. Given that BECCS necessitates a long-term perspective, spanning decades or
even centuries, the prospect of involving several countries with vastly different motives and
governance cultures would be likely to pose major challenges for the creation of a robust
and reliable system for measurement, reporting and verification. Nevertheless, the division
of the system components of BECCS across several countries is mentioned frequently in
the BECCS literature (Gough etal. 2018a, b; Grönkvist etal. 2010; Peters and Geden 2017;
Williams and Larsen 2012). Honegger and Reiner (2018) analyse at length how interna-
tional policy instruments, primarily Article 6.4 of the Paris Agreement, could mobilise the
0
50,000
1,00,000
1,50,000
2,00,000
2,50,000
3,00,000
3,50,000
Fig. 2 Total sugar production from 2007/2008 to 2016/2017
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financial support needed for deploying NETs in developing countries, in a least-cost and
flexible way that take the partaking countries’ various stages of development into account.
The idea of African countries acting as suppliers of biofuels or a source for biomass
re-growth has already raised concerns. In Bonn in May 2016, at the first session of the UN
Framework Convention on Climate Change after the Paris Agreement was concluded, an
intense debate took place when a few African networks raised fears that negative emissions
technologies would result in land-grabs on the African continent (Guillemot 2017). Ander-
son and Peters (2016) raise concerns over global inequity from another angle. They claim
that an eventual failure to deliver NETs, as envisioned in most IAMs, would strike the
vulnerable low-emitting countries hardest. If prioritizing equity, risk aversion and aspiring
to avoid moral hazard, they claim, the global climate mitigation agenda should instead rest
on the premise that NETs will not deliver at scale (see also Carton 2019). Implementing
BECCS would therefore entail serious difficulties and risks.
From an optimistic viewpoint, it could be argued that a path creation for BECCS would
create an opportunity for regulatory improvement, given that the current forest and land
management situation in Tanzania is precarious (Bhati and Koshy 2018; Karnøe and Garud
2012). To better understand the preconditions of such an optimistic scenario coming to
fruition, we will therefore summarize findings from the literature about the formal insti-
tutional framework relevant for a future BECCS system in Tanzania, as well as empirical
evidence from biofuel projects that point towards the existence of important informal insti-
tutions (van Assche etal. 2014).
4 Formal institutions governing biomass development
4.1 International formal institutions related toclimate change
Internationally, the expectations on developing countries to contribute to global miti-
gation efforts have increased over the last decade. The Paris Agreement is perhaps
the most prominent example of this trend, as it is the first globally applicable climate
agreement expecting all contracting parties to contribute to emissions reductions and to
undertake adaptation measures to avoid dangerous anthropogenic interference with the
climate system. The Paris Agreement thus provides a policy objective clearly relevant
to BECCS: to hold global warming well below 2°C by 2100 and, in the second half
of the century, to balance global emissions and uptakes. This goal will require chang-
ing societies on transformational scales, building societal and ecosystem resilience by,
among other things, achieving net-zero emissions of greenhouse gases sometime after
2050. However, being labelled a least developed country (LDC), Tanzania is subject to
relatively low pressure from international politics to adopt decarbonization leadership;
mitigation actions in Tanzania are expected to primarily be supported by international
means of implementation. Thus, the international level provides contradictory incen-
tives for BECCS in Tanzania: while the Paris Agreement has created pressures globally
to stimulate the development of NETs, international mechanisms do little to facilitate
the establishment of national-level institutional structures that are conducive to foreign
investment in such technological developments. The IPCC’s accounting methodologies
and guidelines for emissions are developed for national entities, and have difficulties
capturing and mirroring the complexity of multinational or even global BECCS sys-
tems and supply chains (Gough etal. 2018a, b). Gough etal. (2018a, b) have further
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identified goal conflicts between the targets concerning loss of natural habitats and res-
toration of degraded areas adopted by the Convention on Biological Diversity in 2010—
targets which are not considered in the land-use scenarios applied in the IAMs—and
mitigation targets premised on expanded biofuel use. Gasparatos etal. (2015) similarly
argue that knowledge about the multitude of targets and indicators that exist on differ-
ent policy levels is incomplete and fragmented, making management of the significant
trade-offs difficult.
The incentives gap between policy levels can be illuminated by looking at the most
central components in the international toolbox for technology development and resil-
ience building in LDCs. The most relevant of these is the Kyoto Protocol’s Clean
Development Mechanism (CDM), which is an instrument of tradable emissions credits.
Developed countries may invest in CDM projects in developing countries, prove emis-
sions reductions compared to a baseline and generate tradable emission rights. In 2011,
the UNFCCC decided to include CCS in the CDM. However, thus far, not one single
methodology for a CCS CDM project has been approved. Such approval is also unlikely
in the future for at least two reasons: (1) the market for certified emission reductions
from CDM has virtually collapsed with the decline in demand, and (2) the requirements
for approval of CCS methodologies under the CDM are unusually strict, involving host
country domestic regulations covering, e.g. site selection and characterization, access
rights to storage sites, redress for affected entities and liability (Dixon etal. 2013). As
noted by Zakkour etal. (2014), the approval of CCS CDM rules in late 2011 coincided
with a downturn in interest in the CDM, which in turn undercut the potential to spur the
development of BECCS in Tanzania. At present, discussions are under way on how a
new market mechanism, similar to the CDM of the Kyoto Protocol, should be operation-
alized under the Paris Agreement (e.g. Greiner etal. 2017).
Similarly, Nationally Appropriate Mitigation Actions (NAMAs) and REDD+, which
are both instruments used for incentivizing various types of biomass operations, are
driven more by donor than by market logic. The same applies to climate-related offi-
cial development aid. The problem with this logic regarding BECCS in Tanzania is that
donors generally seek to avoid institutionalizing aid (Fridahl etal. 2015), while BECCS
would necessitate long-term commitment of capital for both initial investments and
operation. BECCS is generally characterized by high operational costs and few, if any,
benefits beyond its contribution to the global mitigation effort. Even the most promising
low-cost alternatives for BECCS, i.e. ethanol production, would require capital to cover
the cost added to normal operations (Moreira etal. 2016). As long as the option to sell
carbon credits in an international market remains unfeasible and donors are unwilling to
provide long-term aid to cover operational costs, the pressure from international law on
Tanzania to implement BECCS will remain low and unconducive. In other words, while
the international policy objectives have become clearer, the instruments for fulfilling
such objectives in LDCs do not support BECCS.
Yet, accounting rules developed by the IPCC and agreed by the UNFCCC can incentiv-
ize BECCS. In the national greenhouse gas inventories, negative emissions resulting from
BECCS can be used to offset positive emissions by pooling within or between sectors. As
such, BECCS can be used to comply with international commitments. However, even if
the accounting rules may incentivize BECCS at national level, the typical operator, i.e.
subnational entities or businesses, is not given incentives from national accounting rules
since it is governments—not subnational entities—that are responsible for compliance
under the UNFCCC. Furthermore, using such an option for compliance also requires that
the mitigation target is extremely ambitious and that low-cost mitigation options have been
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exhausted, rendering higher cost options such as BECCS viable. Neither of these condi-
tions have been fulfilled in Tanzania. Given the country’s other overriding priorities and
its low international responsibilities for mitigating climate change, it seems highly unlikely
that these international factors will incentivize the Tanzanian government to direct invest-
ments into BECCS.
4.2 Domestic formal institutions related toclimate change
Domestically, a large package of climate-related strategies, policies and laws have been
adopted in Tanzania. The most immediately relevant is the 2012 Climate Change Strategy,
preceded by Tanzania’s 2007 National Adaptation Program of Action and subsequently fol-
lowed by the 2013 Agriculture Climate Resilience Plan (sectorial response to the strategy)
and the National REDD+ Strategy (forestry conservation and sustainable management).
Soon after, in 2015, Tanzania also submitted its Intended Nationally Determined Contribu-
tion (INDC) to the UN Paris Agreement. All of these are structured under the Tanzanian
Development Vision 2025, agreed in 1999 with the aim of transforming Tanzania into a
middle-income, semi-industrialized country by 2025. The vision was first detailed in parallel
strategies for economic development and eradication of poverty together with five-year devel-
opment plans focusing more on investments in human resources and capital, the first having
been initiated in 2011, all of which informs the Climate Change Strategy and its sectorial
responses. By 2016, the different strategies had become sufficiently similar to be merged into
a coherent second five-year development plan, now organized under a long-term perspec-
tive plan initiated to provide a clearer direction for the short- and mid-term strategies, later
enabled by the brief and relatively abstract Vision 2025 (Government of Tanzania 2012).
Vision 2025 sets domestic goals aspiring to become a middle-income and semi-industrialized
country by 2025. This goal requires a transformational change of Tanzania’s socio-technical
systems through, for example, policy development, eradication of energy poverty, expansion
of its educational system and diversification of the economy to avoid overdependence on pri-
mary resources, especially in climate-sensitive sectors (Government of Tanzania 1999).
The Climate Change Strategy constitutes significant progress in the much-needed work
of identifying Tanzania’s climate vulnerabilities and possible response measures, and to
start making the general 1997 National Environmental Policy and 2004 Environmental
Management Act more climate specific. There are still several steps to take to turn the
strategy into policy and possibly law, especially when it comes to being more specific and
prioritizing interventions (Yanda etal. 2013).
4.3 Formal institutions regulating ethanol, other biofuels andsolid biomass
A BECCS ethanol technical system in Tanzania would, if not intended purely for domes-
tic appliances, have to be adapted to international market standards. Tanzania is exempted
from import tariffs, which means that Tanzanian ethanol would be competitive with Bra-
zilian ethanol despite higher production costs. However, access to the EU market is also
dependent on Tanzanian producers’ ability to meet the EU’s sustainability criteria. This
holds both for ethanol and for solid biomass fuels (Widengård etal. 2018). Among other
things, this means that bioethanol must achieve greenhouse gas savings of 60% for new
production plants and 50% for old plants in comparison with fossil fuels. It also means that
converting land with high carbon stocks to grow biomass intended for biofuel production is
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prohibited. In Tanzania, this means that accessing the EU market requires limiting produc-
tion to converted grassland in combination with mitigation measures to combat process-
related emissions.
This legislation would conflict with the immediate domestic economic incentives for
ethanol production. Thurlow etal. (2016) have evaluated the economic potential for etha-
nol production in Tanzania, including scenarios under emission constraints, and found
great potential for economic growth and poverty reduction, especially in scenarios where
smallholders in outgrower schemes are used. However, if the emission constraints are also
factored in, to contribute less to climate change and to try to meet sustainability criteria
to access the EU export market, it would make more economic sense for Tanzania to use
mixed farming systems including large-scale plantations with higher productivity and,
thus, less need for clearing land for the purpose of cultivating sugarcane (Thurlow etal.
2016).
The global market price for ethanol is also dependent on legislation external to Tanza-
nia. For example, it has been shown that the global market price for ethanol in 2002–2010
was largely determined by a tax credit to fuel blenders for each entity of biofuel mixed
with fossil fuels in the USA as well as consumer biofuels tax exemption in Brazil (Rajcan-
iova etal. 2013). Whether Tanzanian ethanol is competitive on a global market therefore
depends not only on achieving low production and transportation costs but also on subsi-
dies provided in other ethanol producing countries. Such complex market dynamics ought
to hold true for solid biomass, too.
Furthermore, the world market price of ethanol or solid biomass is vulnerable to envi-
ronmental changes. Sugarcane, for example, is very sensitive to variable climate (Evering-
ham etal. 2002). If climate change impacts negatively on the production of sugar in, for
example, the large Brazilian sugar and ethanol district of São Paulo, this could drive global
market prices up. Therefore, climate change can affect biomass and biofuel production in
Tanzania both directly, and indirectly through global market swings following impacts in
other parts of the world. Such effects may work both positively and negatively in terms of
producer opportunities.
In Tanzania, the acquisition of land for biofuel development purposes is regulated by
the Land Act and the Village Land Act, both adopted in 1999 and implemented in 2001.
Together they regulate the use of village land, which constitutes 70% of the total land area,
and general land, constituting 2%. For an investor to be able to acquire village land for
plantations of biofuel, the land must first be transformed into general land by an act of
government, and then leased for a maximum of 99years (Arora etal. 2013; Massay 2016).
Reclassifying village land into general land can be done by the president in accord-
ance with section4 of the Land Act. This involves transparent and participatory processes,
adequate compensation and assurances that the land will be reverted to villagers in the
event of, for example, failure to carry out investments as planned. In practice, however, the
process of reclassifying land is often deemed intransparent, compensation inadequate and
monitoring of the investors’ compliance with the planned land use changes unsatisfactory.
Several examples exist of situations when land is reclassified and leased to international
biofuel investors, but the investments are not carried out as promised. In these situations,
it has proven hard for farmers and villages to reclaim their rights to manage the land for
farming, gracing or other original purposes (Kijazi etal. 2017; Tenga 2015).
Domestic laws and guidelines have also been developed to regulate the production of
biofuels. In 2006, A National Biofuels Task Force was established aiming at developing
legislation and policies for the rapidly expanding biofuel market. The energy sector in
Tanzania is guided by the National Energy Policy of 2015. The policy fosters sustainable
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technology for energy development and discourages unsustainable practices such as defor-
estation for energy development. Despite its broad coverage of various energy sources, the
policy does not provide clear policy statements or strategies for bioenergy development
(Boesen etal. 2017). In addition, electricity policy is formulated in master plans, most
recently the electricity master plan of 2016. From six scenarios, one with an electricity mix
dominated by gas and coal is deemed to be the most economically viable by the govern-
ment. Nonetheless, significant uncertainties remain around how such a scenario could be
implemented as the plan is lacking in feasibility studies, not least regarding how to transmit
electricity from large energy sources located in southwest and southeast to load centres in
the northwest and northeast, and most of the projects envisioned by the 2012 plan have
never made progress (Bhati and Koshy 2018).
Despite the lack of a focused energy policy, biofuel development in Tanzania gained
momentum after 2010 with the government and other key stakeholders being keen to make
use of the investment opportunities provided by international mitigation efforts. At least
since 2012, official visions have circulated that designate a future role for Tanzania as a
world leader in biofuel production and export (Mwakaje 2012). These visions have been
aligned to neoliberal policies pursued ever since the mid-1980s, aimed at reconfiguring
Tanzania as a market open for international capital (Arora etal. 2013). Pressure for invest-
ments in bioenergy has been increasing steadily primarily due to international interest, and
not due to local market demand or the national policy frameworks. The launch in 2010 of
the Southern Agricultural Growth Corridor of Tanzania (SAGCOT) is one direct result of
such international interest and pressure. This investment programme, established with the
aim of combining profitable farming and safeguarding ecosystem services, was developed
amid growing interest from international donors in ambitious private–public partnerships
in Africa, typically involving big multinational investors and aiming to facilitate capital
inflows to large-scale projects (Arora etal. 2013; Brüntrup et al. 2016; Engström 2018;
Willoughby 2014). Furthermore, the Ministry of Energy and Minerals has developed
guidelines to facilitate biofuel developments, on the assumption of the existence of 4 mil-
lion hectares suitable for biofuel investment (Mshandete 2011).
Nevertheless, studies point to the domestic guidelines and regulations being vague and
difficult to implement, to the detriment of both local populations and foreign investors
(Arora etal. 2013; Brüntrup etal. 2016; Sulle and Nelson 2009; Vermeulen and Cotula
2010). As a result, biofuel development in Tanzania can be said to have been advancing in
the absence of national policies (Mshandete 2011; Boesen etal. 2017), and the experiences
of biofuel developments in Tanzania can therefore be understood as determined to a large
extent by informal institutions that complement, modify or supersede weak formal institu-
tions (e.g. Greif 2006; North 2005). In the following, we will turn to a number of such
experiences and reflect on what they reveal in terms of informal institutions in Tanzania.
5 Experiences fromcommercial projects andaid: theimportance
ofinformal institutions forbiofuel andbiomass production projects
Biofuel-related projects, mainly biodiesel and bioethanol, have been present in Tanzania
for a long period, and over the years many investors have shown an interest in increas-
ing their level of financial commitment in bioenergy related activities (Mshandete 2011;
Okonko etal. 2009). It should, however, be stressed that as Martin et al. (2009) point
out, many of these initiatives have been poorly documented and that, therefore, there is
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significant uncertainty surrounding the extent of the country’s biofuel endeavours (see also
Mwansasu and Westerberg 2014). Nevertheless, the projects that have been documented
do provide some important experiences in relation to a potential BECCS system based on
ethanol or solid biomass production in Tanzania.
Most of the investments have been motivated by international policy shifts related to
fossil fuel replacement, and the developments in Tanzania have therefore been determined
largely by external forces (Martin etal. 2009; Mshandete 2011). Such externally driven
projects include the British-owned CAMS Agri-Energy Tanzania Ltd and the Spanish
Abengoa Bioenergy that in the early 2000s announced plans to jointly produce 250 million
l of ethanol annually from sweet sorghum (Locher and Sulle 2013), corresponding to about
0.2MtCO2 annually.
The international interest in biofuel production has caused severe strain on local com-
munities in Tanzania due to the gap between, on the one hand, vague official policies aimed
at facilitating foreign investment, and, on the other hand, local institutional capacity. A lack
of central oversight and monitoring, projects with little backing from local stakeholders,
and local authorities lacking the necessary expertise have often meant that biofuel projects
result in conflicts over competing land uses and inferior technology choices (Jumbe etal.
2009; Mshandete 2011; Mwansasu and Westerberg 2014; Rascack 2014; Boesen et al.
2017). Brüntrup etal. (2016) further claim that the success rate for projects implemented
under the SAGCOT programme has been very low, with an unfavourable business environ-
ment, abusive bureaucracy, lengthy and complicated communication with authorities and
fraud cited as reasons. Bergius etal. (2018) conclude that SAGCOT had a flawed design
from the start, with smallholders assumed to be ineffective and in need of modernization.
The biofuel boom has further revealed severe problems with the official statistics related
to land use in Tanzania. What was assumed to be unoccupied land suitable for biofuel plan-
tations has often been found to be occupied and used, albeit sometimes in a low-intensive
fashion (Olwiga etal. 2015). In an extensive assessment of land statistics in Tanzania,
Exner etal. (2015) conclude that the terms “marginal land” and “unused land” are mislead-
ing and even manipulative. The terms emanate from either capitalistic-economic or state-
bureaucratic narratives, and obscure what are considered irrelevant user groups. These
findings contradict the explicit and sometimes implicit assumptions of the World Bank and
the Food and Agriculture Organization of the United Nations (FOA) that large areas of
unused land are available in sub-Saharan Africa for commercial agriculture and integration
into the global trade (Exner etal. 2015), and arguably also the land-use scenarios applied
by the IAMs.
While the Village Land Act constituted an attempt to safeguard local communities
against land grabbing, the formal institutions adopted under it have proven to be vastly
underequipped to handle the increasing number of land conflicts between communities and
investors, as well as between farmers and pastoralists. In April 2015, the District Land and
Housing Tribunals had 18,033 cases pending and received on average 11,542 new ones
each year, while the responsible governmental department, the Ministry of Lands, has
been severely under-resourced, receiving zero funds for the budget year 2014/2015 (Mas-
say 2016). At the same time, the fragmented structure of the judiciary system has meant
that regulations are enforced and interpreted unevenly across institutions (Kashaigili and
Nzunda 2010; Lund etal. 2006; Massay 2016; Sulle and Nelson 2009). In the absence of
formal institutions regulating permission processes, applications have been approved and
denied on an ad hoc basis (Martin etal. 2009), and land transactions have proven prob-
lematic both for local communities and for investors, despite the existence of a formally
progressive land transactions legislation (Brüntrup et al. 2016; Sulle and Nelson 2009;
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Vermeulen and Cotula 2010; Zirulnick 2015). The lack of clear regulatory structures
compromises project planning, as important steps such as application writing, permission
granting and taxation are governed through informal institutions (Mshandete 2011).
The recent hype surrounding jatropha plantations is illustrative of how a sudden inter-
est from foreign investors may cause a wave of development projects that subsides quickly
when the technology fails to take off (van Eijck etal. 2014; Habib-Mintz 2010; Mwansasu
and Westerberg 2014; Romijn and Caniels 2011; Sulle and Nelson 2009, 2013). Evalua-
tions have shown that contrary to the plans to use marginal land, many agrofuel investors
chose to locate their plantations on well-watered fertile land, which reportedly increased
food prices (Mshandete 2011). Renzaho etal. (2017) further conclude that jatropha plan-
tations often resulted in irreversible environmental damage. Expectations were initially
great from both international investors and the Tanzanian government, but implementation
revealed crucial gaps between different institutional levels that acted as barriers to techno-
logical learning, which was aggravated by a lack of trust from local communities in inves-
tors. The failure of the government to pursue a consistent policy favouring jatropha planta-
tion that went beyond facilitating foreign investments meant that the Tanzanian jatropha
industry eventually ground to a halt in the face of growing criticism of individual projects
and the risk of competition for agricultural land (Arora etal. 2013).
Furthermore, the focus on ambitious private–public partnerships has, in the absence of
sufficient institutional protection for small-scale farmers, given disproportional structural
benefits to centralized and already privileged farms, and has risked increasing the rural
poor’s vulnerability to market swings (Willoughby 2014). The regulatory framework has
often proven insufficient to protect local inhabitants against being evicted to make space for
biofuel projects, leading to resentment and resistance towards business models involving
centralized plantation strategies (Hultman etal. 2012; Boesen etal. 2017).
Similar scepticism towards aid-driven projects has been reported elsewhere, with local
stakeholders viewing aid as a form of neo-colonial endeavour involving teams of foreign
experts who are insensitive to cultural differences (Fridahl etal. 2015). Koch (2017) argues
that in the case of aid-driven, forest related projects in Tanzania, the discrepancy between
the formal policy framework and the actual experiences on the ground is usually explained
by deficient resources (that responsible authorities lack qualified staff, funding or facili-
ties to make sure the existing regulations and policies are pursued), corruption or conflicts
of interest. In contrast to the conventional explanation that deficient budgets and capacity
shortfalls are the main reasons for failure, Koch (2017) finds that development aid often
leads to implementation failure due to the fact that decision-makers adopt a strategy of tac-
tical manoeuvring, by which they officially adjust their agendas according to donors’ aspi-
rations but lack a genuine ambition to implement the new policies, thus leveraging resource
flows and securing autonomy. In line with this, Tanzania’s REDD+ policy is claimed to
be another “conservation fad” serving the purpose of reinforcing and benefitting the local
elite, and maintaining business as usual (Lund etal. 2017). Jacob and Brockington (2017)
and Nantongo (2017) draw similar conclusions, but maintain that new modes of forest gov-
ernance, besides primarily benefitting the elite, can also provide a fair share of the benefits
to most of the villagers (cf. also Brüntrup etal. 2016; Renzaho etal. 2017). However, Nan-
tongo (2017) emphasizes that the outcome is highly context dependent, which makes flex-
ibility in implementation vital.
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5.1 The case ofSEKAB
An illustrative case in relation to a potential BECCS system in Tanzania is the project
developed by Sweden’s SEKAB (Svensk Etanolkemi AB). The case displays most of the
problems touched upon above, and furthermore, it is the only project in Africa to date that
has been designated as a BECCS project (Kemper 2015).
In 2005, the Swedish municipal company Norrlands Etanolkraft AB bought a majority
of the shares in SEKAB, after which the company embarked on an international expan-
sion.2 In 2006, it signed an agreement with the government of Tanzania to lease 20 000
hectares of supposedly abandoned land outside the city of Bagamoyo in the Rufiji District,
with the prospect of following this with additional investments in the Rufiji Delta in the
southern parts of the country, totalling more than 200,000ha (Bergius etal. 2018). The
Rufiji Delta has many characteristics typical of Tanzania, and the challenges are thus likely
to be similarly reflected in other regions of the nation, according to Mwakaje (2012). Ini-
tially, 10 000ha would be used for an ethanol plantation that would yield 1 million tonnes
of harvested sugarcanes within 10years of starting operation (Franke etal. 2010, Zirulnick
2015). Using the potential for ethanol production as specified by Thurlow etal. (2016)
and process emission data from Moreira etal. (2016),3 this corresponds to production of
about 69.4 million l ethanol and process emissions of about 0.05MtCO2 annually. The
more ambitious, long-term plan was to export 10 million tonnes of ethanol to Sweden by
2030 and build one factory every year between 2010 and 2025.
Swedish law restricts municipalities to only doing business within their borders, with
a few exceptions for exporting knowledge and services and for international aid, and
questions about the legality of SEKAB’s investment in Tanzania were therefore raised.
Although the Swedish administrative court ruled to allow the SEKAB investment on
the basis that it was related to electricity production and could therefore be allowed as
an exception according to the municipal legislation,4 the legal doubts dissuaded continued
municipal financial support. Thus, in 2009, the municipality withdrew from Tanzania by
selling its share of SEKAB to EcoEnergy Africa AB (in turn owned by EcoDevelopment in
Europe AB, a minority shareholder in SEKAB) for 400 SEK (approx. €40). The concurrent
downturn in global ethanol prices also influenced the municipal decision, as did a domes-
tic debate in Sweden about the negative socio-environmental effects of large-scale ethanol
production (e.g. Bergius etal. 2018).
It also became evident that the land was not abandoned as was first assumed, and even
though local farmers were consulted by the company, they claimed they had not received
compensation for their loss of land (Zirulnick 2015). Around the same time, the company
African Green Oil (AGO) negotiated with six villages in the Rufiji District on 30,000ha
of land, ending up with just 2800ha for the company, an episode which further reveals
the gap between investors’ ambitions and the amount of land actually available. In a thor-
ough review of methods for assessing land availability, Mwansasu and Westerberg (2014)
concluded that biofuel investments in the district are only possible if it is assumed that
2 See Engström (2018) for a comprehensive and critical analysis of the case.
3 That is, an ethanol conversion ratio of 69.4l/t sugarcane, a density of ethanol of 0.8kg/land and process
emissions of 0.96kgCO2/kg ethanol.
4 Law 1997:857 on Electricity; Law 2009:47 on Certain municipal authorities; the Municipal Act
2017:725; Law 2001:151 on Municipal export of services and municipal international aid.
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available land is unused and unoccupied and that the investors have applied adequate meth-
ods for assessing available land.
Complaints from NGOs and local farmers saw the project grind to a halt, and the long
delay eventually resulted in the Swedish International Development Cooperation Agency
(SIDA) withdrawing its conditional credit guarantee support (Zirulnick 2015). Criticism
was also directed at SEKAB for influencing the Tanzanian government in setting up its
National Biofuels Task Force in 2006, in parallel with the project initiation. The task force
was accused of not being neutral and of including SEKAB staff as advisors (Martin etal.
2009; Sosovele 2014). It was also amid this climate of growing criticism that the CEO of
SEKAB started to describe the project in terms of a BECCS system (Swedish Radio 2009),
something which had not been part of the original plans, and the authors of this paper have
been unable to find documents or project plans that can verify any concrete measures being
taken towards that end.
The long delays, the land conflicts and the withdrawal of key investors meant that the
project never got off the ground. Thus, the SEKAB case highlights the vulnerability of both
investors and local communities to the vicissitudes of the market and other external forces,
as well as the difficulties in fulfilling the theoretical potential of large-scale biofuel planta-
tions in practical action.
All in all, the experiences of biofuel developments, and also large-scale agro invest-
ments in general, in Tanzania in recent years have been largely negative (Engström 2018).
They thus risk compounding a legacy of distrust among local communities towards large-
scale industrial projects that stems from the experiments with “scientific agriculture” under
Nyerere, the first President of independent Tanzania (Arora etal. 2013). The government
received severe criticism for prioritizing foreign interests over domestic development
(Sosovele 2014). Indications of a policy reorientation under the new President Magufuli
towards increased state control over natural resources and active industrial policy could be
understood as a backlash against the neoliberal policies that have been geared towards eas-
ing the access of foreign capital (Jacob and Pedersen 2018; Woodroffe etal. 2017).
6 Discussion
In this concluding discussion, we will reconnect the literature review to our analytical
framework and reflect on the preconditions for BECCS systems in Tanzania, with focus
on the ethanol industry and the country as a supplier of biomass to developed countries, in
terms of institutions, market formation and advocacy groups (Jacobsson and Lauber 2006).
6.1 Institutions
Despite theoretically good preconditions for BECCS in Tanzania (e.g. Harper etal. 2018;
Mwansasu and Westerberg 2014) and a stable regime of governance compared to many
developing countries (Wieczorek 2018), the dynamic between formal and informal institu-
tions is presently not conducive to the kind of large-scale biofuel/biomass operations that
a BECCS system would necessitate. Among important informal institutions that the litera-
ture points to are the lack of trust towards both government and foreign investors as well
as ad hoc and informal governance in the absence of formal institutions, which makes land
planning processes unpredictable and prone to conflict. The inadequacy of formal institu-
tions in the regulation of land use poses a serious question about the viability of BECCS
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in Tanzania, given that the theoretical potential for net negative emissions can easily trans-
late into net positive emissions due to land use change (Harper etal. 2018). The experi-
ences from large-scale biofuel projects to date indicate a great risk of projects proving to be
counterproductive, from both a mitigation perspective and a poverty reduction perspective
(see also Engström 2018; Newell and Phillips 2016).
Several formal institutions that offer theoretical support for BECCS are less promising
when viewed from practical experience. The CDM mechanism has so far failed to support
any CCS project, while REDD+ projects have a low rate of success (Koch 2017; McAfee
2016). The IPCC accounting guidelines could incentivize BECCS as it allows accounting
for negative emissions in national greenhouse gas inventories. However, the government
of Tanzania is under no pressure to deliver ambitious emissions reductions. Therefore, the
implementation of a BECCS system in Tanzania, and other developing countries, would
be most likely to emanate from initiatives in developed countries (Honegger and Reiner
2018), driven by either aid or commercial logic. As the literature review shows, aid pro-
grammes in their current structure are unlikely to facilitate BECCS in Tanzania. NAMAs,
REDD+ and climate-related official development aid are characterized by a donor logic
that is unfit for BECCS purposes. BECCS demands long-term capital commitments both
for initial investments and to compensate for the additional operational costs (Moreira etal.
2016), but donors generally seek to avoid institutionalizing and sustaining aid over longer
periods of time (Fridahl etal. 2015). Furthermore, Marquardt etal. (2016) argue that aid
organizations are unlikely to drive energy transitions in developing countries if the pro-
gramme is not closely aligned with the overarching governmental energy strategy (see also
Kamp and Vanheule 2015; Verbong etal. 2010). At present, BECCS is a poor fit in this
context, even though expanding the domestic demand of ethanol for cooking and transport
theoretically could add momentum to BECCS development supported by international aid.
6.2 Market formation
Commercial logic seems similarly unlikely to drive BECCS implementation in Tanzania
under current conditions. The only potential value of BECCS lies in its “production” of
negative emissions, and its commercial viability is therefore dependent on a functional
market for carbon credits that also includes negative emissions. At present, the prospect of
a carbon market with prices high enough to justify the large capital and operational costs
associated with BECCS on a purely commercial basis seems distant.
Large-scale ethanol production for export is vulnerable to external regulation and mar-
ket swings, and would be more commercially appealing if there was also a domestic market
demand in Tanzania. Here, the government could move to create demand by stimulating
domestic use of ethanol as a fuel for cooking and transportation. Arora etal. (2013) point
to the absence of governmental support through market subsidies as one important reason
why jatropha production failed (see also Nygaard and Bolwig 2018). The willingness of the
current government to pursue an active industrial policy, including by banning the import
of sugar, points to such a market formation being possible (The Citizen 2016). However,
the question remains how BECCS could be implemented in such a technical system as any-
thing but a burden on production.
Historically, an important barrier to the development of production capacity of liquid
biofuels for export purposes has been given by ethical dilemmas following in the wake
of demand for land to facilitate production of biomass, such as sugarcane and jatropha.
In these cases, conflicts over access to land and mismanagement have been more of a rule
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6869
Preconditions forbioenergy withcarbon capture andstorage…
1 3
than an exception. Increased production volumes of solid biomass for export to operations
that demand bioenergy, be it with or without a CCS component, is likely to give rise to
similar conflicts.
6.3 Advocacy groups andentry ofrms
Even though the IPCC accounting guidelines allow negative emissions to be accounted for
in national greenhouse gas inventories, providing an opportunity for states to use BECCS
for compliance with international obligations, the typical BECCS operator, i.e. subnational
entities or businesses, is not incentivized to do so by national demand side policy. This fact
would make it all the more difficult to generate the kind of market and learning dynamics
that the entry of new firms into the formation process of a new technical system brings in
relation to BECCS. Furthermore, given the recent history of poorly executed and contro-
versial biofuels projects in Tanzania and the risk of land or forest degradation, it would be
difficult to garner the kind of broad-based support among stakeholders that is important
for a new technical system to take hold (Hansen and Nygaard 2014; van Welie and Romijn
2018). On a more general level, it is also important to highlight that BECCS lacks a strong
advocacy group overall, and perhaps most importantly among the industries and actors that
would supposedly be the first to implement it, such as pulp and paper and biofuel produc-
ers. This latter fact makes its vast deployment in even the more recently published and
updated IAM studies (Harper etal. 2018) all the more conspicuous.
7 Conclusions
To conclude, the most viable path creation options for large-scale BECCS deployment in
Tanzania would be either in the context of ethanol production, or with Tanzania acting
as supplier of biomass in an international BECCS system. The external preconditions for
either option—commercial or regulatory incentives for negative emissions, or sustained
investments through aid programmes or other international sources of finance—are cur-
rently lacking. More importantly, the review of historical experiences from biofuel invest-
ments in Tanzania reveals that the lack of adequate domestic institutions often occasions
land-grabs, land-use conflicts, corruption, technical challenges, lacking infrastructure and
resource trade-offs. The institutional vacuum, or dysfunctionality, would further make the
needed monitoring and verification of dedicated biomass plantations difficult.
On the basis of our review, we would therefore argue that negative BECCS-related
emissions from Tanzania should not be assumed in global climatemitigation scenarios.
Furthermore, assuming Tanzania to contribute to negative emissions in estimations of the
global carbon budget has problematic spatial and temporal ethical implications. First, it
entrenches a view of sub-Saharan African soil as open for appropriation by developed
countries in a global system of uneven exchange. As experiences from previous biofuel
projects show, local livelihoods are jeopardized both by mistaken assumptions of marginal
land and by being connected to a volatile world market.
Second, because scenarioscan shape perceptions of what is politically feasible (Beck
and Mahony 2018; also Anderson and Peters 2016; Geden 2015), setting climate policy
objectives on the basis of assuming Tanzania and other similar countries to play a role
in delivering negative emissions risks leads to carbon lock-in and delaying more urgent
emissions reductions. Vulnerable countries like Tanzania are the ones most directly at risk
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6870
A.Hansson et al.
1 3
for climatechange induced hazards. Thus, implicating LDCs in a role of delivering nega-
tive emissions in the global carbon budget amounts to nothing less than collateralising the
countires’ future in what Carton (2019) has termed “the political economy of delay” (p.
765).
While BECCS may well play an important role in reducing emissions in countries with
high capacity to act combined with existing large point sources of biogenic CO2 emissions
(Gough etal. 2018a, b), it seems prudent to proceed with utmost caution when implicating
BECCS deployment in LDCs, like Tanzania. It also seems reasonable to argue that large-
scale biomass-based energy supply, be it for use with or without CCS, implicating massive
land use in LDCs should not be assumed other than in cases that are grounded in deeper
contextual case-by-case analysis.
Acknowledgements Open access funding provided by Linköping University. The research was funded
jointly by the Swedish Research Council and Sida through the Swedish Government’s development aid
funds, and by Formas’ and Forte’s research appropriations (Sustainability and Resilience – Tackling Climate
and Environmental Changes [2016-06359]).
Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 Interna-
tional License (http://creat iveco mmons .org/licen ses/by/4.0/), which permits unrestricted use, distribution,
and reproduction in any medium, provided you give appropriate credit to the original author(s) and the
source, provide a link to the Creative Commons license, and indicate if changes were made.
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AndersHansson1· MathiasFridahl1· SimonHaikola2· PiusYanda3· NoahPauline3·
EdmundMabhuye3
* Anders Hansson
anders.n.hansson@liu.se
1 Department ofThematic Studies: Environmental Change & Centre forClimate Science andPolicy
Research, Linköping University, Linköping, Sweden
2 Department ofThematic Studies: Technology andSocial Change & Centre forClimate Science
andPolicy Research, Linköping University, Linköping, Sweden
3 Institute ofResource Assessment, University ofDar Es Salaam, DarEsSalaam, Tanzania
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... There are supply chain risks in local, national and international levels, which may erase stakeholders support [225]. Any change in international standards for bioenergy can lead to conflicts [226]. Different cultural situation may arise as a key barrier from region to region [227]. ...
... Again, LCA based analysis could be useful to ascertain environmental pros and cons of such BSC. The indicators and components (e.g., technology, transport, conversion process) for sustainability must be [209][210][211]213,215] Institutional -Lack of government and organizational concern -Inefficient management practice for bioenergy supply chain -Large level organizational influence on bioenergy supply chain process -Lack of sufficient skilled manpower to manage an effective supply chain [225,226,228,229] kept in mind while designing a BSC. Furthermore, R&D of BSC must encompass the three pillars of sustainability, i.e., economic, environmental, and social from a life cycle perspective [224,225]. ...
... Furthermore, R&D of BSC must encompass the three pillars of sustainability, i.e., economic, environmental, and social from a life cycle perspective [224,225]. The BSC designer must ensure that it is designed encompassing all the stakeholders (e.g., farmer, transport owners, local contractor) [226]. 3) Research fostering the use of bioenergy should be priorities in regions like sub-Saharan Africa and developing Asian countries where majority of rural population lacks access to modern energy services. ...
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... However, significant questions remain regarding where the sustainable production of enormous quantities of biomass will occur. Africa is particularly attractive for BECCS because of its vast areas suitable for biomass production and substantial underground CO 2 storage capacities [19]. However, despite Africa's potential critical role in global CDR deployment, the growing scientific literature on CDR and its impacts has primarily focused on Europe, Asia, or the global picture [20]. ...
... Given Africa's economic context, we deem land-based biological CDR practices more suitable for the continent. These methods can capitalize on Africa's abundant land area [23], ample biomass resources [19], and favourable climatic conditions and geology for CO 2 storage [18,24,25]. ...
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... With positive projected economic growth, rising populations, urbanization and the rapid industrialization attempts by governments, the SSA and for that matter the entire African is expected to witness a corresponding increase in CO2 emissions in the near future (OECD, 2023a(OECD, , 2023bWorld Bank, 2023). However, the relevance of the issue lies in the capacity of the region to steer growth along a sustainable path without exacerbating carbon emissions (Hansson et al., 2020;Nwani et al., 2022;Wang et al., 2023). This balancing act is fraught with uncertainties, not least because of the inherent volatility in economic and population growth rates, energy consumption patterns, and technological advancements (Acheampong et al., 2021;Adekoya et al., 2022;Dingru et al., 2023). ...
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Across the world, technological adoption has demonstrated capacity towards improving economic production, efficient exploration and consumption of natural resources as well as reduce CO2 emissions. Though with significant impact on CO2 emissions, technological growth has remained relatively low across countries in Sub-Sahara Africa (SSA). With positive projected economic growth, rising populations, urbanization and the rapid industrialization of economies, the countries in SSA are expected to witness corresponding increase in CO2 emissions. Considering the size of the sub-region, these projections remain a threat to global efforts towards decarbonizing the world. Based on trend and predictive analysis, we explored the synergies of technologies growth, and CO2 emissions in Sub Sahara Africa. The results reveal inconsistent upswing trends of technological growth and CO2 emissions across SSA. As a novel contribution, the FE model exhibits superior correspondence with the actual data trends signaling higher CO2 emission for countries in SSA. The results edify the pivotal role of country-specific peculiarities in shaping technological growth, energy consumption and environmental sustainability efforts in SSA. The study concludes that while global trends provide overarching narratives, individual countries carry their own weight of unique narratives that can spindle advance model predictions. The recommendations thus highlight the urgent need for tailored and context-specific strategies towards addressing environment and sustainability issues in Africa.
... North and Sub-Saharan Africa have different LUCF contributions. Despite a decrease in LUCF emissions from 1990 to 2020, LUCF emissions continue to rise (Bennetzen Water Air Soil Pollut (2024) Over the last 30 years, the rate of GHG emissions in the energy and industrial sectors has increased the most among all sectors in Africa, by 8.455 and 7.94 time respectively (Hansson et al., 2020). ...
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This systematic review examines the sources of greenhouse gas (GHG) emissions in Africa, investigates mitigation strategies, and projects future emissions. It evaluates comprehensive publications on climate change, global warming, GHG emission sources, and mitigation measures in Africa from 2013 to 2022. Ethiopia and South Africa are prominent nations in this field of study, with South Africa being the major source of GHG emissions. Rising GHG emissions and climate change pose significant ecological problems, necessitating effective mitigation techniques. North Africa has a small negative balance compared to Sub-Saharan Africa. Key drivers of GHG emissions and climate change were Land Use (AFOLU) sectors, accounting for 56% of total emissions in 2016 where currently energy sector count 73% of GHGs in 2022. It leads to biodiversity loss, water scarcity, economic losses, species extinction, ecological changes, and coastal life threats. Africa is responsible for 2–3% of global GHG emissions in last decays and currently increased to 3.6–4%. Agroforestry systems, which combine agriculture and forestry, have proven effective in reducing emissions, with the agroforestry sector predicted to sequester up to 135 metric tonnes of CO2 over the next 20 years. Africa should employ climate-smart agriculture and agroforestry to prevent climate change, lower emissions, and promote a green economy. This aligns with the Paris Agreement's goals of lowering carbon emissions and improving food security, reduce poverty, and environmental damage. This review is intended to aid academics and planners prioritize GHG emissions sources and design effective mitigation measures using African countries' resources and ecosystems.
... Biomass, particularly agricultural residues, represents the largest renewable energy source worldwide (Sharma et al., 2019). It is seen as a viable substitute for fossil fuels due to its energy-rich components (Hansson et al., 2020). Agricultural residues, such as corncobs and sisal waste, are rich in carbohydrates like cellulose, hemicellulose, and lignin, making them ideal for bio-energy production, especially syngas. ...
... In Tanzania, a decade or less of biofuel investment experience in the country showed as there was lack of adequate domestic institutions that resulted in landgrabs, land-use conflicts, corruption, technical challenges, lacking infrastructure and resource trade-offs. Sustainability of rural liquid biofuel projects require` gender based community participation in planning process, provision of seeds and other required inputs and effective use of new income generating opportunities [41]. However, the biomass and biofuel sector was suffering from the lack of a national policy framework for biomass energy; poor public awareness of biomass energy; complicated, often contradictory and poorly regulated governance of commercial biomass energy production and trade [42]. ...
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Background The production of liquid biofuel in Eastern Africa countries has the potential to play an important role on the global biofuel markets in the coming years, because transportation fuel demand is expected to grow. Despite the presence of suitable environmental conditions for bioenergy crop cultivation in Eastern Africa, liquid biofuel production has been restricted by different factors, including market situation and government policies. The objective of this review is to evaluate the potential markets, policies, strategies, and plans for liquid biofuel production in some Eastern Africa countries, including Ethiopia, Kenya, Sudan, Tanzania and Uganda. Main text Over 64 scientific articles and reports published between 2002 and 2023 related to liquid biofuel production market and policies were collected from internet search engines and unpublished grey literatures and reviewed. Since liquid biofuel production was in early stage of investment in Eastern Africa countries by 2020, all the countries showed similar restrictions. It was found that the global market demand for liquid biofuel increased after 1980s. For example, although Ethiopia started bioethanol production in 1950s, the production was discouraged by the lack of a market. Biofuel trade is globally determined by the biofuel policies of industrialized countries, which are mainly driven by the willingness to reduce emissions and to tackle volatile fossil fuel prices. Eastern Africa liquid biofuels has a number of market openings, including rural domestic use, substituting fossil fuel imports, and supplying the European market. There are also attractive legal conditions and political willingness to invest in the production of liquid biofuels. However, institutional weaknesses hindered the possibility to coordinate liquid biofuel production. The lack of adequate domestic institutions, coordination mechanisms, and robust monitoring resulted in land-use conflicts, corruption, and technical challenges. Appropriate policy measures are required to local land use determination, selection of appropriate type of bioenergy crops, and biofuel processing types and scales. In particular, small and large-scale biofuel production projects are required to include biofuel production in the conventional agricultural farming practices. Conclusions Good governance is highly important for bioenergy crop production, liquid biofuel processing and consumption in the whole liquid biofuel value chain. Moreover, it is important to exchange good practices through cooperation, including—but not limited to—intra-African countries, which would accelerate the learning process and the deployment of effective measures and mechanisms. There should be biofuel value chain upgrading to overcome fragmentation and inconsistency of measures; match-making between demand and supply at domestic, intra-African, and internationally with proper public awareness creation.
... Risks of land grabbing(Carter et al., 2017;Hansson et al., 2020;Scheidel and Work, 2018; Xu, 2018) Issue of equitable benefit sharing(Essougong et al., 2019;Khatun et al., 2015) Conflicts Issue of social conflicts(Gutiérrez-Zamora and Hernández Estrada, 2020;Hoang et al., 2019;Santika et al., 2019) Land availability and competition with other land uses(Griscom et al., 2017;Humpenöder et al., 2014;Rosillo-Calle and Johnson, 2010) Possible increase in food prices and compromise food security(Fujimori et al., 2022;Fuss et al., 2018;Gong et al., 2022;Vera et al., 2022) Tradeoffs Negative effect on the environment(Babin et al., 2021;Bonsch et al., 2016;Kumar and Ladha, 2011;Williamson, 2016) Limited access of women and minority groups to resources and land(Astuti and McGregor, 2017;Borelli et al., 2019) Fairness No consideration of the rights of Indigenous people and local communities(Bilbao et al., 2019;Walker et al., 2020) 4.5.1 ConflictConflicts related to forestry LMT arise as a result of the vested interests of diverse stakeholders in use and management of forest resources(Nousiainen and Mola-Yudego, 2022). Policy makers might prioritise forest protection and carbon removal, while farmers and forest users may be more interested in the direct economic benefits. ...
Article
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Land-based mitigation technologies and practices (LMTs) are critical for achieving the Paris Agreement’s aim of avoiding dangerous climate change by limiting the rise in average global surface temperatures. We developed a detailed two-level classification and analysis of barriers to the adoption and scaling up of LMTs. The review suggests that afforestation/reforestation and forest management are LMTs with wide application and high potential across all continents. BECCS (bio-energy with carbon capture and storage) and biochar have a higher potential in higher-income countries in the short term due to the availability of technology, funding, and existing low-cost biomass value chains. Although most LMTs can be cost-effective across multiple world regions, limited knowledge concerning their implementation and a lack of financing appear to be the main barriers to large-scale deployment. Without considering gender and the rights of marginalised and indigenous communities, the large-scale deployment of LMTs can further aggravate the existing inequalities. Therefore, the social and institutional implications of LMTs also need to be better understood to improve public acceptance and reduce negative impacts. A system approach is necessary to balance the ambitious land-based mitigation targets with the socioeconomic and broader environmental goals.
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Purpose: The general objective of this study was to examine the carbon sequestration potential of agroforestry systems in tropical environments. Methodology: The study adopted a desktop research methodology. Desk research refers to secondary data or that which can be collected without fieldwork. Desk research is basically involved in collecting data from existing resources hence it is often considered a low cost technique as compared to field research, as the main cost is involved in executive’s time, telephone charges and directories. Thus, the study relied on already published studies, reports and statistics. This secondary data was easily accessed through the online journals and library. Findings: The findings revealed that there exists a contextual and methodological gap relating to the carbon sequestration potential of agroforestry systems in tropical environments. Preliminary empirical review revealed that agroforestry systems in tropical environments significantly enhance carbon sequestration, with performance influenced by species diversity, management practices, and ecological conditions. These systems also offered added benefits like biodiversity conservation and improved livelihoods, though more localized data and long-term studies were needed to optimize their effectiveness. Unique Contribution to Theory, Practice and Policy: The Theory of Carbon Cycle Dynamics, The Social-Ecological Systems (SES) Theory and The Theory of Ecosystem Services may be used to anchor future studies on the carbon sequestration potential. The study recommended integrating agroforestry into climate policies, supporting farmer adoption through incentives and training, enhancing monitoring tools, and strengthening theoretical models to include both ecological and socio-economic factors for more impactful and sustainable implementation.
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The year 2016 marks 15 years since the new wave land reforms became operational in Tanzania. Despite its ambitious goals – encouraging land registration and titling, and empowering women and other vulnerable groups – the results are disillusioning. A brief overview of 15 years of implementation, using the Village Land Act as a case study.
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Models suggest that climate change mitigation now depends on negative emissions, i.e. the large-scale removal of carbon dioxide from the atmosphere. This assumption has been criticised in the climate policy literature for being unfeasible and unjust. This article asks how critical scholars can make sense of, and contribute to these debates. It suggests that negative emissions can be conceived of as a spatiotemporal fix that promises to defer the devaluation of fixed capital. But the negative emissions example also challenges us to broaden our conception of how the socioecological contradictions of capitalism can be "fixed". I outline three ways in which it does this by highlighting the significance of a predominantly temporal fix, the role of hegemonic, sociopolitical interventions involving multiple actors, and the possibility of safeguarding existing production processes. I conclude that spatiotemporal fixes to climate change should be seen as part of a wider political economy of delay in devaluing carbon-intensive accumulation processes.
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In this study, we review work which seeks to understand and interpret the place of the Intergovernmental Panel on Climate Change (IPCC) within the science and politics of climate change in the context of a post‐Paris polycentric governance regime and the culture of “post‐truth” politics. Focusing on studies of how the IPCC has sought to maintain a boundary between the scientific and the political, we offer an historical account of “boundary work” within the IPCC which is instructive for thinking, in an anticipative mode, about emerging and likely challenges to the IPCC's position as a science–policy boundary organization. We suggest that the relationships between climate science and policy are undergoing fundamental transformation in light of the Paris Agreement, and contend that the IPCC will need to be nimble and reflexive in meeting new challenges. Growing calls for more “solution‐oriented” assessment question the IPCC's positioning at the science—politics boundary, where it can function to put some policy options on the table, while obscuring others. Recent controversies over proposed mitigation solutions are indicative of likely future challenges. We suggest that by adopting a mode of “responsible assessment,” the IPCC can continue to exercise its world‐making power in a relevant and legitimate fashion. This article is categorized under: • Social Status of Climate Change Knowledge > Climate Science and Decision Making
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Scenarios that limit global warming to below 2 °C by 2100 assume significant land-use change to support large-scale carbon dioxide (CO 2) removal from the atmosphere by afforestation/reforestation, avoided deforestation, and Biomass Energy with Carbon Capture and Storage (BECCS). The more ambitious mitigation scenarios require even greater land area for mitigation and/or earlier adoption of CO 2 removal strategies. Here we show that additional land-use change to meet a 1.5 °C climate change target could result in net losses of carbon from the land. The effectiveness of BECCS strongly depends on several assumptions related to the choice of biomass, the fate of initial above ground biomass, and the fossil-fuel emissions offset in the energy system. Depending on these factors, carbon removed from the atmosphere through BECCS could easily be offset by losses due to land-use change. If BECCS involves replacing high-carbon content ecosystems with crops, then forest-based mitigation could be more efficient for atmospheric CO 2 removal than BECCS.
Article
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Non-technical summary Biomass energy with carbon capture and storage (BECCS) is represented in many integrated assessment models as a keystone technology in delivering the Paris Agreement on climate change. This paper explores six key challenges in relation to large scale BECCS deployment and considers ways to address these challenges. Research needs to consider how BECCS fits in the context of other mitigation approaches, how it can be accommodated within existing policy drivers and goals, identify where it fits within the wider socioeconomic landscape, and ensure that genuine net negative emissions can be delivered on a global scale.
Article
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Tanzania is among the countries with the fastest growing economy in Africa and therefore the need for affordable, clean, and most importantly sustainable electrical energy to meet her ever growing demands is pressing. In recent years, the country’s electricity needs have been largely dominated by thermal generations despite the fact that Tanzania is gifted with huge hydropower resource potential approximated at 38,000 MW with only a very small portion exploited to date. However, the exploited potential is expected to grow by commissioning of identified large and medium-scale hydropower projects with a total installed capacity of 4,765 MW currently under various stages of implementation. Moreover, the geographical location of Tanzania has several benefits to support development of small hydropower projects essential for appropriate utilization of available water resources as a way of mitigating climate challenges effects. Over the last decade, the country electricity demand along with end-use of energy has witnessed significant increases as economic development spreads towards achieving Vision 2025 goals. Proposed hydropower developments are projected to have enormous benefits in the acceleration of economic growth while contributing to greenhouse gas emissions reduction. In this paper, hydropower, which is one of the domestic options for clean energy development path, its present and future potential status, and water resources are explored based on a comprehensive review of energy sector relevant documents and polices.
Article
This article contributes to an emergent literature identifying expectations and domestic politics as the drivers of change in Africa’s ‘new oil’-producing countries. Whereas much attention has been paid to weak institutions as an explanation for the resource curse that has marred Africa’s petroleum economies, the article points to the interplay between oil markets and domestic politics that is still under-researched. Based on empirical research into contractual and regulatory changes in mainland Tanzania, the article provides an overview of the development of the country’s petroleum sector and argues that for a new oil country it is a constant struggle to keep abreast of market signals. Changes to contractual and regulatory regimes therefore tend to come rather late in the price cycle, both when high global oil prices allow for tougher fiscal terms and when falling prices call for downward adjustments. This was the case historically and is no less the case in today’s resource nationalist environment, in which terms have been toughened despite falling global oil prices. Driven by electoral politics, decision-making has been politicized to such extent that exploration activities have come to an almost complete halt and no new contracts are being signed.
Chapter
This chapter explores some of the social and ethical issues related to the use of BECCS to deliver negative emissions. It considers both the ‘big questions’ related to its potential role in a ‘morally adequate’ response to climate change and the more specific social and ethical issues associated with deployment of the technology on the ground. The relationship between BECCS and the use of fossil fuels and how it sits relative to other mitigation options and in the context of other negative emissions approaches are also considered. The chapter identifies contexts in which BECCS might represent a sustainable as well as a just solution and how it might be received at a social and societal level. Reviewing current thinking on justice in the context of energy and climate change, paying particular attention to issues that are relevant to carbon capture and storage (CCS), and specifically BECCS, we look in turn at distributional, procedural, financial and intergenerational aspects of justice. Results from an expert workshop convened to discuss issues of governance and ethics in CCS and BECCS are used to supplement the wider literature throughout the chapter.