About
245
Publications
273,791
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
15,967
Citations
Publications
Publications (245)
En este reporte presentamos cuatro escenarios contrastantes sobre el futuro
del sector energético mexicano para el periodo 2022-2050 con el fin de exa-
minar de forma crítica sus implicaciones. Los escenarios son: 1) business
as usual (bau) —cuya traducción al español sería “negocios como siempre”—,
2) escenario de crecimiento verde (ecv), 3) energ...
El capítulo aborda la bioenergía desde el enfoque de la sustentabilidad, considerando: 1) el aprovechamiento de materias primas residuales y de bajo costo, 2) obtención de altos rendimientos o productividad de biomasa, 3) altas tasas de retorno energético, 4) procesos de producción con bajos costos de operación, 5) usos finales con alto desempeño e...
Las tres secciones que conforman este libro son producto del esfuerzo
de 46 investigadores que han cedido con generosidad su tiempo y cono-
cimientos a fin de brindarnos un panorama detallado y científicamente
sólido de la ruta a seguir a fin de consolidar en México una tejs. Al
tratarse de una obra colectiva, el libro refleja distintas concepcione...
La mejora habitacional de viviendas con precariedad puede hacerse, por un lado, a través de la autoconstrucción, lo cual puede provocar un aumento de los impactos negativos de la vivienda al entorno, salud o bienestar de sus habitantes si se hace sin los conocimientos o el apoyo técnico necesario. Por otro, con la implementación de proyectos a trav...
En este capítulo trataremos el sistema alimentario, veremos qué hace diferente el uso de energía en la producción de alimentos comparado con otros sectores, así como cuáles son las principales fuentes de energía, tecnologías y usos finales para diferentes tipos de sistemas agrícolas y para otras etapas de la producción de alimentos como el procesam...
La bioenergía es una alternativa importante para la reducción del uso de combustibles fósiles y para la mitigación de gases de efecto invernadero. Existe un mercado global creciente para los trasportadores energéticos forestales (TEF), tales como los pellets o las astillas combustibles. México cuenta con un gran potencial de recursos y residuos for...
We conducted a longitudinal analysis of the multiple stacking options that emerge from a “Patsari” clean woodburning cookstove dissemination program in rural Mexico, directed to households with-and-without previous access to liquefied petroleum gas (LPG). The analysis is based on Kitchen Performance Tests applied to 134 households belonging to 10 v...
The authors would like to make the following corrections about the published paper [...]
This study analyzes the household energy needs of the indigenous community of San Francisco Pichátaro, Michoacán, Mexico, and the use of Pinus spp. wood residues for the production of briquettes. The energy and emission performances of wood briquettes were evaluated on the field and in the laboratory. On-field surveys and measurements show that mos...
The global need to transition to renewable and decentralized systems entails agricultural
systems as producers of residual biomass. Avocado trees (Persea americana Mill.) are one of the main
woody crops cultivated in Mexico, with over 150,000 hectares grown in the country. The aim of the present
study is to evaluate the use of avocado pruning resid...
The global need to transition to renewable and decentralized systems entails agricultural systems as producers of residual biomass. Avocado trees (Persea americana Mill.) are one of the main woody crops cultivated in Mexico, with over 150,000 hectares grown in the country. The aim of the present study is to evaluate the use of avocado pruning resid...
Citation: Tauro, R.; Velázquez-Martí, B.; Manrique, S.; Ricker, M.; Martínez-Bravo, R.; Ruiz-García, V.M.; Ramos-Vargas, S.; Masera, O.; Soria-González, J.A.; Armendáriz-Arnez, C. Potential Use of Pruning Residues from Avocado Trees as Energy Input in Rural Communities. Energies 2022, 15, 1715.
In this study, lignocellulosic material derived from guava tree pruning was used to make pellets in a laboratory machine. The following experiments were conducted to identify the properties of the biomass samples before the pelletizing process: chemical analysis, proximal analysis, elemental analysis, ash microanalysis and thermogravimetric analysi...
Biomass represents 10% of the total energy use and 55% of all renewable energy in Mexico. It is a key energy source to help Mexico achieve a low-carbon development path to comply with the strict climate mitigation targets needed to avoid catastrophic consequences. However, a major limitation in the construction of reliable future mitigation scenari...
Life cycle assessments conducted in the last decade on forest-derived solid biofuels contain key insights to assess the environmental impact of such fuels under different contexts. This paper reports on the results of a systematic review of 87 studies that applied life cycles assessment on five types of solid biofuels: firewood, charcoal, wood chip...
This study applies environmental life cycle assessment to quantify and compare the environmental profile of the production and use of wood pellets for residential heating (baseline) and compares the pellet system with two different alternative systems for residential heating in Mexico: (1) the use of LPG heater and (2) one electricity heater powere...
In this paper we conduct a scoping review of current household energy use patterns and trends in rural Latin America (LA), with the objective of identifying strategies that help promote just and fair transitions in the region. We reviewed a total of 143 publications covering 13 countries within the period from 1996 to 2021. The review shows: (a) fu...
This study aimed to evaluate and compare the relationship between chemical properties, energy efficiency, and emissions of wood and pellets from madroño Arbutus xalapensis Kunth, tázcate Juniperus deppeana Steud, and encino colorado Quercus sideroxyla Humb. & Bonpl. in two gasifiers (top-lit-up-draft (T-LUD) and electricity generation wood camp sto...
The dry washing method is an alternative to replace water washing, thereby reducing the negative impacts of contamination. However, commercial adsorbents come from industrial processes that, due to their composition, may not be such a sustainable resource in the global biodiesel production process. In this study, the use of organic residues, such a...
The dry washing method is an alternative to replace water washing, thereby reducing the negative impacts of contamination. However, commercial adsorbents come from industrial processes that, due to their composition, may not be such a sustainable resource in the global biodiesel production process. In this study, the use of organic residues, such a...
Kew’s State of the World’s Plants and Fungi project provides assessments of our current knowledge of the diversity of plants and fungi on Earth, the global threats that they face, and the policies to safeguard them. Produced in conjunction with an international scientific symposium, Kew’s State of the World’s Plants and Fungi sets an important inte...
Bioenergy is a major component of the global transition to renewable energy technologies. The plant and fungal kingdoms offer great potential but remain mostly untapped. Their increased use could contribute to the renewable energy transition and addressing the United Nations Sustainable Development Goal 7 “Ensure access to affordable, reliable, sus...
En este artículo discutimos cómo la adopción de tecnología rural en México se puede guiar desde un enfoque de investigación e innovación responsables y de redes socio-técnicas, con énfasis en la inclusión. Se explora un modelo para valorar de manera práctica y relacional la adoptabilidad o potencial de adopción de una tecnología tomando como ejempl...
This study describes the development of a multifunctional solar system designed for implementation in some communities in the Meseta Purepecha, Michoacan, Mexico. The multifunctional solar system device—called T’imani (in the Purepecha language)— consists of two modules designed for domestic use: one for cooking food, the other for heating water. T...
Stove stacking (concurrent use of multiple stoves and/or fuels) is a poorly quantified practice in regions with ongoing efforts to transition household energy to cleaner options. Using biomass-burning stoves alongside clean stoves undermines health and environmental goals. This review synthesizes stove stacking data gathered from eleven case studie...
The pervasiveness of “stacking” between traditional and clean fuels/stoves is moving the household clean cooking research and policy agenda from programs that are centered on one-fuel or stove, to multi-clean fuel/device interventions that could result in a more effective displacement of traditional biomass stoves. However, there is little recognit...
The benefits of improved biomass cookstoves (ICS) depends on their adoption and sustained use. Few studies have documented if and how they are used more than five years after being introduced. We conducted a 9-year prospective cohort study among young rural women in the highlands of Michoacan, Mexico. Participants had received a Patsari ICS during...
The estimation of emissions inventories of climate forcing species and air pollutants from activities such as the burning of biomass from cooking food in rural environments in Mexico presents some degree of uncertainty due to the lack of locally obtained emission factors; emissions estimates were generally obtained with other types of biomass and c...
The purpose of this synthesis paper is to present the motivations and conceptual basis for research on socio-technical-ecological systems (STES), addressing the need for interdisciplinary studies targeting the technological mediation of human–environment relationships. The background is the very limited number of collaborations between scholars of...
This article presents an historical account of patterns of household fuelwood use in Mexico from 1960 until the present. The results of scenarios outlining the likely evolution of future fuelwood use according to different socio-demog raphic and technological variables are offered up to 2030 along with the expected environmental impacts. Mexico is...
Este informe técnico, Avances y Oportunidades para Reducir los Contaminantes Climáticos de Vida Corta en América Latina y el Caribe, analiza ejemplos de iniciativas y medidas que han reducido exitosamente las emisiones de carbono negro, metano y algunos hidrofluorocarburos en América Latina y el Caribe, los tres Contaminantes Climáticos de Vida Cor...
This study examines the expected mitigation of greenhouse gases (GHG) and black carbon emissions associated with the transition from traditional biomass to clean fuels and clean woodburning cookstoves (CCS) in the Mexican residential sector for the period 2014-2030. We developed a spatial-explicit model at a county level to understand the GHG trade...
Eje Temático: 2-Mesa: 7 Resumen El presente trabajo muestra el análisis de la eficiencia de combustión de briquetas elaboradas a partir de la biomasa forestal residual, utilizadas en un fogón tradicional, así como sus respectivas emisiones asociadas al proceso de combustión. Las briquetas se han realizado a partir de los residuos maderables obtenid...
Bioenergy is the largest renewable energy source in Mexico with an estimated 4–9% of total current energy demand. There are large uncertainties and contrasting estimates regarding its current extent and end-uses, particularly with traditional uses. However, a large potential exists to improve the efficiency of existing uses and, at the same time, t...
The potential of liquid biofuels (like bioethanol and biodiesel) to reduce greenhouse gas (GHG) emissions from the transportation sector has generated a great deal of interest in the last few years, with particular attention being given to Jatropha methyl ester (JME). Jatropha curcas (Jc)—a species native to Mexico—shows some promise as a source of...
In the original publication of the article, the second sentence of four paragraph in the subsection Energy and GHG mitigation benefits from a diversified SBF portfolio should be “Fuel oil has the biggest substitution potential for SBF: It could be substituted in the industrial and power sectors. However, within the power sector,there is strong comp...
Efficient-use firewood cookers have been monitored successfully using Cooker Use Monitors (SUMs) that make it possible to identify use patterns by means of objective indicators. The present study proposed utilizing SUMs to study the adoption process of solar cookers. The Jorhejpatarnskua I solar cooker (CSJI) –a variant of the Jorhejpatarnskua mode...
This report identified the key measures on transport, residential, agriculture (open burning), small industry and oil and gas sectors that will deliver most of the reductions for black carbon and co-emitted substances in Latin America and the Caribbean region. The report also identified key measures on agriculture (livestock), municipal solid waste...
Pellets have received increasing international attention lately because of their potential as clean, affordable and
renewable energy sources, particularly when produced from agricultural and forest residues. However, knowl-
edge about feedstock availability, costs, and potential users of biomass pellets is scarce in Mexico. In this paper we examine...
In some regions of the world, cooking with solid biomass fuels in open fires constitutes the largest source of elemental and organic carbon emissions. However, cooking-related carbonaceous aerosols are still poorly characterized. This paper presents an innovative characterization of elemental and organic carbon (EC and OC) emissions from cookstoves...
The United Nations' Sustainable Development Goals encourage a transition to 'affordable, reliable, sustainable and modern energy for all'. To be successful, the transition requires billions of people to adopt cleaner, more efficient cooking technologies that contribute to sustainability through multiple pathways: improved air quality, reduced emiss...
In Mexico and in the world, the incorporation of the scientific community (among them ecologists) to the generation of knowledge that contributes to solving the serious environmental problems, and advancing towards the sustainability, requires a different research vision. Moreover, innovative tools are needed to couple the work of the scientific co...
This paper aims to quantify the benefits of switching from a system dependent on traditional biomass to systems running on more efficient fuels and technologies. It is estimated that even when open fires burning fuelwood are replaced by improved cooking stoves (ICSs) and liquefied petroleum gas (LPG) stoves, and biomass is processed in dedicated bi...
Improved cookstoves have been identified in Mexico as a key opportunity to advance sustainable local development priorities in disadvantaged regions while mitigating climate change. This paper reviews the Patsari Cookstove Project initiated in 2003 by an NGO, Interdisciplinary Group on Appropriate Rural Technology (GIRA). The project applied an int...
Clean cooking has emerged as a major concern for global health and development because of the enormous burden of disease caused by traditional cookstoves and fires. The World Health Organization has developed new indoor air quality guidelines that few homes will be able to achieve without replacing traditional methods with modern clean cooking tech...
RESUMEN Las actividades humanas, tales como el uso de combustibles fósiles para la producción de energía y los procesos derivados del cambio en el uso del suelo y silvicultura, estan generando grandes emisiones de gases de efecto invernadero (GEI) como dióxido de carbono (CO2), monóxido de carbono (CO), clorofluorocarbonados (CFC´s), óxidos de nitr...
While plancha-type cookstoves are very popular and widely disseminated in Latin America, few peer review articles exist documenting their detailed technical performance. In this paper we use the standard Water Boiling Tests (WBT) to assess the energy and emission performance of five plancha-type cookstoves disseminated in about 450 thousand Mexican...
In 2011, two scientific global assessments coordinated by the United Nations Environment Programme (UNEP) identified a number of win-win measures for near-term climate change and clean air benefits. Implementation of these cost-effective and readily available measures, which target reducing emissions of short-lived climate pollutants (SLCPs) in key...
In 2011, two scientific global assessments coordinated by the United Nations Environment
Programme (UNEP) identified a number of win-win measures for near-term climate change
and clean air benefits. Implementation of these cost-effective and readily available measures,
which target reducing emissions of short-lived climate pollutants (SLCPs) in key...
Los desafíos que enfrenta la humanidad ante el calentamiento climático global hacen necesario y urgente entender los ecosistemas desde un punto de vista funcional. En esta perspectiva se preve que los ciclos biogoequímicos de los principales elementos de la vida (carbono, nitrógeno, fósforo o azufre) sean afectados. En este capítulo se resume la in...
El Reporte Mexicano de Cambio Climático es una iniciativa surgida desde el ámbito académico, impulsada y realizada por el Programa de Investigación en Cambio Climático de la UNAM, que se dio a la tarea de convocar, por primera ocasión, al más grande contingente de investigadores provenientes de las diversas disciplinas académicas, instituciones y e...
Los desafíos que enfrenta la humanidad ante el calentamiento climático global hace fundamental entender los procesos de los ecosistemas desde un punto de vista funcional para avanzar en el conocimiento sobre la interacción de la variabilidad climática y los ciclos biogeoquímicos. En los ecosistemas terrestres, la suma total de carbono que ingresa a...
Approximately 40% of the global population relies on traditional bioenergy, accounting for 9% of global energy use and 55% of global wood harvest. However, knowledge about the environmental impacts of traditional bioenergy is fragmented. This review addresses several persistent questions and summarizes recent research on land cover change (LCC) and...
