Philip Antwi-Agyei

Philip Antwi-Agyei
Kwame Nkrumah University Of Science and Technology | KNUST · Department of Environmental Sciences

Doctor of Philosophy

About

82
Publications
44,431
Reads
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1,877
Citations
Citations since 2016
60 Research Items
1748 Citations
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Introduction
Prof. Philip Antwi-Agyei is a former Commonwealth Scholar with a Ph.D from the University of Leeds, United Kingdom. He is an interdisciplinary environmental scientist whose research involves developing innovative multi-scale approaches for assessing vulnerability to climate change for dryland farming systems. Philip was a Lead Author for the Intergovernmental Panel on Climate Change (IPCC) Special Report on the impacts of global warming of 1.5 C above pre-industrial levels.
Additional affiliations
July 2005 - present
Kwame Nkrumah University Of Science and Technology
Position
  • Professor (Associate)

Publications

Publications (82)
Article
This study evaluates new multi-scale, multi-indicator methods for assessing the vulnerability of crop production to drought at a national and regional scale. It does this by identifying differences across and within ten regions of Ghana, a country that faces many climate and crop production challenges typical of sub-Saharan Africa. In particular, w...
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Climate variability poses a significant threat to many sectors of Sub-Saharan Africa’s economy. Agriculture is one of the most climate sensitive sectors because of its dependence on rain-fed cultivation. This paper identifies the main adaptation strategies used by farming households in the Sudan savannah and forest-savannah transitional agro-ecolog...
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Climate change and variability continue to adversely impact the livelihoods of many agriculture-dependent households in dryland sub-Saharan Africa. Climate vulnerability is shaped by institutions and socioeconomic processes including land tenure arrangements and infrastructural development. This paper employs a participatory mixed-method approach i...
Article
Smallholder farmers in sub-Saharan Africa are confronted with climatic and non-climatic stressors. Research attention has focused on climatic stressors, such as rainfall variability, with few empirical studies exploring non-climatic stressors and how these interact with climatic stressors at multiple scales to affect food security and livelihoods....
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How climate change adaptation practices can constrain development and deliver maladaptive outcomes in vulnerability hotspots is yet to be explored in-depth using case study analyses. This paper explores the effects of climate change coping and adaptation responses in three case study villages across the Central Gonja district of northern Ghana. The...
Article
Agroecological practices are promoted as a more proactive approach than conventional agriculture to achieving a collective global response to climate change and variability while building robust and resilient agricultural systems to meet food needs and protect the integrity of ecosystems. There is relatively limited evidence on the key traditional...
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Agroecological practices are promoted as a more proactive approach than conventional agriculture to achieving a collective global response to climate change and variability while building robust and resilient agricultural systems to meet food needs and protect the integrity of ecosystems. There is relatively limited evidence on the key traditional...
Article
ABSTRACT Climate change significantly impacts agriculture. Building an informed and collaborative process among stakeholders remains vital in minimizing climate risks and building climate-adaptive and resilient agricultural systems in sub-Saharan Africa (SSA). However, stakeholders’ involvement and collaboration in agriculture decision-making are f...
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Climate change significantly impacts agriculture. Building an informed and collaborative process among stakeholders remains vital in minimizing climate risks and building climate-adaptive and resilient agricultural systems in sub-Saharan Africa (SSA). However, stakeholders’ involvement and collaboration in agriculture decision-making are framed by...
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Climate-Smart Agricultural (CSA) practices are crucial in managing climatic shocks faced by smallholder farmers in sub-Saharan Africa. However, evidence on the socio-psychological drivers of farmers’ adoption of CSA practices remains limited. This study employed the Theory of Planned Behavior framework to analyze smallholder farmers’ intention and...
Article
Mango production has the potential to boost Ghana's socioeconomic growth and development. However, mango is susceptible to climate change risk resulting in the adoption of innovations among mango farmers. Drawing on the protection motivation and the innovation diffusion theories, this study assesses the effect of climate change perceptions on the a...
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Amidst the COVID-19 pandemic, the need to accelerate food production efforts to achieve the UN SDG two, i. e., zero hunger target by 2030, is gaining momentum across the global food security discourse. One way to accelerate food production is to adopt improved seeds and technologies that may close existing yield gaps and support food security effor...
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The provision of timely and precise weather information could reduce the vulnerability of people to climate change risks. In this study, we conduct a systematic review to synthesize the existing evidence on weather information services for the agriculture, water, and energy sectors of East and West Africa and identify priorities for future research...
Preprint
Over the last few years, the recurrence and severity of floods in urban Kumasi have increased considerably with devastating consequences for both lives and properties. Yet, the perspectives of residents who have experienced these floods have often been ignored in policy developments. This study used a mixed-methods approach including household surv...
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Weather and climate information trigger early action and facilitate better disaster preparedness. Decision-driven and people-centered weather and climate information are pivotal for the effective uptake. The challenge of early responses in preparing for drought hazard is growing in the dry savannah of tropical sub-Saharan African countries. This pa...
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Climate information services can build the resilience of African farmers to address the increasing threats associated with climate change. This study used household surveys with 200 farmers and focus group discussions to identify the types of climate information services available to farming households in two selected districts (Tolon and Nanton) i...
Article
Attainment of the government of Ghana’s ambitious target of providing safe and reliable basic water services to all persons in Ghana by 2025 requires urgent need to unravel localized barriers to achieve universal access and sustain it. Using the Life Cycle Cost Approach, this paper provides a framework in policy planning and estimates the quantum o...
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Rooted in the concept of adaptation are change, action, stimulus, means and end. Whilst these elements are fundamental in clarifying the complex actor relationships surrounding adaptation, literature has tended to concentrate on the end (adaptation practice). Inherent in the provisions of interventions aimed at minimizing the specific impacts of cl...
Article
This paper explored the extent to which the awareness of climate change affects the choice of climate change adaptation practice by smallholder pineapple farmers. This study used a cross-sectional data collected from 150 farmers in the Nsawam Adoagyiri Municipality, Ghana. We applied the Latent Class Analysis (LCA) to identify sub-population of pin...
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The ‘silent revolution’ of numerical weather prediction (NWP) has led to significant social benefits and billions of dollars in economic benefits to mid-latitude countries, however the level of benefit in sub-Saharan Africa has been very limited, despite the potential to save lives, improve livelihoods, protect property and infrastructure and boost...
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Assessing global progress on human adaptation to climate change is an urgent priority. Although the literature on adaptation to climate change is rapidly expanding, little is known about the actual extent of implementation. We systematically screened >48,000 articles using machine learning methods and a global network of 126 researchers. Our synthe...
Article
Rain‐fed agriculture is predominantly the primary source of livelihood in Sub‐Saharan Africa. In Ghana, it employs over 60% of the population and contributes to about 30% of the Gross Domestic Product (GDP). Despite the relevance of rain‐fed agriculture to the socio‐economic development of the country, studies investigating the impacts of climate v...
Article
This paper examined the prioritized climate-smart agricultural practices by smallholder farmers, the motivations of adopting climate-smart agricultural practices, the enablers to the successful adoption of climate-smart agricultural practices, and the barriers to the successful adoption of climate-smart agricultural practices in the transitional an...
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Agriculture is one of the sectors most susceptible to changes in climatic conditions. The impact is even stronger in Africa, where rain-fed agriculture is vital for daily subsistence, but where adaptive capacity is low. It is therefore crucial to increase the understanding of the actual climate change dynamics on agricultural productivity. This stu...
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Agriculture in Ghana is vulnerable to the adverse effects of climate variability. This poses a challenge to food security across the country. Despite this vulnerability, limited research has been conducted to understand the effect of climate variability on the yields of staple food crops in Ghana. This study assessed the effect of climate variabili...
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Understanding gendered adaptation practices among smallholder cocoa farmers is crucial to ensuring sustainable cocoa production in Ghana. This study examined the gendered perceptions and adaptation practices of small- holder cocoa farmers to climate variability in three selected communities (Breman Ayipey, Breman Baako and Breman Kuntanase) in the...
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Efforts to meet the growing demand for food across Africa have led to unsustainable land management practices that weaken the resilience of African Food Systems. Soil health is key to building more climate-resilient agricultural systems and can be improved through Climate-Smart Agriculture (CSA) practices that also enhance soil carbon storage. Many...
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Africa is poised for a revolution in the quality and relevance of weather predictions, with potential for great benefits in terms of human and economic security. This revolution will be driven by recent international progress in nowcasting, numerical weather prediction, theoretical tropical dynamics and forecast communication, but will depend on su...
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A better understanding of soil fertility factors that constraint positive crop response to fertilizer inputs will facilitate the improvement of soil nutrient management. In this study, a nutrient omission trial was carried out in a greenhouse condition to identify soil chemical properties limiting in non-responsive soils and to ascertain their effe...
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Ghana's susceptibility to climate change is well documented and the agricultural sector which is the backbone of the country's economy is one of the most vulnerable sectors to the adverse effects of climate change. This study employed both quantitative and qualitative research methods including household surveys and focus group discussions to exami...
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There is a huge opportunity for the African continent to benefit from the ‘silent revolution’ in weather forecasting that has been realised in the mid-latitudes throughout the twentieth century. While there are tremendous societal and economic benefits from advancing the science behind weather forecasting in sub-Saharan Africa, there are also signi...
Article
Whilst the capability of climate services to reduce climate impacts is alluring, empirical evidence on how best to mainstream climate information services in Africa is lacking. This paper determines how climate information services have been incorporated into national policies by Anglophone West African states for building agricultural resilience a...
Article
Empirical evidence on the opportunities and barriers to the uptake of climate services by smallholder farmers for resilient agricultural systems in sub-Saharan Africa is limited. This paper addresses this important gap by evaluating the opportunities and barriers to the uptake of climate information (from short-term weather forecasts, through seaso...
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Climate variability coupled with land use and land cover changes have resulted in significant changes in forest reserves in Ghana with major implications for rural livelihoods. Understanding the link between climate variability, land use and land cover changes and rural livelihoods is key for decision-making, especially regarding sustainable manage...
Article
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The importance of extension services in helping smallholder farmers to address the many challenges of agricultural production cannot be over-emphasized. However, relatively few studies have been conducted that investigate how the capacities of agricultural extension agents can be built to more effectively assist smallholder farmers in managing clim...
Preprint
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We present the first systematic, global stocktake of the academic literature on human adaptation. We screen 48,316 documents and identify 1,682 articles that present empirical research documenting human efforts to reduce risk from climate change and associated hazards. Coding and synthesizing this literature highlights that the overall extent of ad...
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Evidence on how coping practices for immediate climate variations can transform into long-term adaptive capacity are relatively limited. This study addressed this gap by identifying the coping practices for short-term climate variations and the adaptation measures used by smallholder farmers to address future climate change in northeast Ghana. The...
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Access to useful climate information is critical for adaptation needs of African smallholder farmers, yet empirical studies documenting the socioeconomic, environmental and household predictors of access to and willingness to pay for climate information services from a gendered perspective have been limited to date. This paper addresses this resear...
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This study employed a mixed-methods approach to investigate the trends and drivers of land use and land cover changes from 1991 to 2015 in an urban forest reserve in Ghana. The specific objectives were to: i) determine the extent of land cover changes in the urban forest, and ii) ascertain the factors driving land cover changes in the urban forest....
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While conventional weather forecasts focus on meteorological thresholds for extreme events, Impact-Based Forecasts (IBF) integrate information about the potential severity of weather impacts with their likelihood of occurrence. As IBF provides an indication of local risk, there is an increasing uptake of this approach globally. Despite the vulnerab...
Article
Knowledge of strategies to improve farm household resilience to food insecurity and counter adverse weather events and poor resource endowment is a pre-requisite for implementing solutions fitting local conditions. This paper examines subsistence farmer knowledge of strategies to cope with food insecurity and progressive climate change in the Lower...
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The vulnerability of social-ecological systems in sub-Saharan Africa to climate variability and change means that there is an urgent need to better integrate weather and climate information into societal decision-making processes. Long-term climate adaptation in these regions has received increasing attention, with recent initiatives aiming to incr...
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Reservoir catchments in Ghana have undergone significant changes in recent years with major implications for socioeconomic development and local livelihoods. We studied land use and land cover changes and their impacts on livelihoods in the Owabi reservoir catchment from 1970 to 2014 using Landsat, ERDAS Imagine and Arc Geographic Information Syste...
Article
Tropical reservoirs are important for numerous socioeconomic and ecological reasons, including water supply, fishing and flood control. These functions are easily compromised, however, when reservoirs undergo accelerated sedimentation with increased inputs of chemical contaminants. The present study applied the concept of sediment core analysis to...
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Climate change and variability impact on staple food crops present a daunting challenge in the 21st century. The study assesses future climate variability on maize and rice yield over a 30-year period by comparing the outcomes under two GCM models, namely, CSIRO_RCP4.5 and NOAA_RCP4.5 of Australia’s Commonwealth Scientific and National Oceanic and...
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The paper assessed the existing adaptation strategies implemented by farmers in the Upper East Region of Ghana to reduce the adverse impacts of climate change and variability. The paper used data collected through a series of participatory methods including focus group discussions, questionnaire surveys and key informant interviews in 4 farming com...
Technical Report
Full-text available
Recognizing the implications of climate change for its national development and in response to international commitments, the Government of Ghana has taken various actions to support climate change adaptation planning, with a number of climate change-related policies and strategies already in place. Under the leadership of the Environmental Protect...
Technical Report
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In response to climate change threats, climate compatible development aims to foster mitigation and adaptation actions without compromising development progress. However, these three elements relate to a range of key climate-sensitive sectors and are normally addressed separately. This investigation examines the extent to which policies in climate-...
Technical Report
Full-text available
This note summarises a West African regional analysis of Nationally Determined Contributions (NDCs) developed for the Paris Climate Agreement, to assess their alignment to global Sustainable Development Goals (SDGs) and to national sectoral policies. Implementation challenges are explored in-depth for the case of Ghana, where a national multi-stake...
Article
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The UN Sustainable Development Goals (SDGs) and the 2015 Paris Agreement are two of the most important policy frameworks of the twenty-first century. However, the alignment of national commitments linked to them has not yet been analysed for West African states. Such analyses are vital to avoid perverse outcomes if states assess targets and develop...
Article
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Climate Compatible Development (CCD) aims to deliver adaptation and mitigation without compromising development progress. To date, adaptation, mitigation and development related to key climate-sensitive sectors have often been treated separately. This paper uses qualitative document analysis, content analysis, expert interviews and a multi-stakehol...
Technical Report
There is a lack of understanding on how the Intended Nationally Determined Contributions (INDCs) submitted to the UNFCCC can advance progress towards achieving the Sustainable Development Goals (SDGs).The study used an iterative content analysis to explore the key themes for adaptation and mitigation and examined the key alignments between the SDGs...
Article
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This paper contributes to the urban food security literature by presenting the results of 600 household surveys conducted in Ghana and Cameroon. In this, we show how dietary diversity, which is a well-developed proxy for food security, is similar in both countries but varies significantly based on household demographic characteristics. In particula...
Article
Full-text available
Smallholder farmers in sub-Saharan Africa are confronted with climatic and non-climatic stressors. Research attention has focused on climatic stressors, such as rainfall variability, with few empirical studies exploring non-climatic stressors and how these interact with climatic stressors at multiple scales to affect food security and livelihoods....