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Environmental Impact of Biofuels by Marco Aurelio Dos Santos Bernardes Pdf
This book aspires to be a comprehensive summary of current biofuels issues and thereby contribute to the understanding of this important topic. Readers will find themes including biofuels development efforts, their implications for the food industry, current and future biofuels crops, the successful Brazilian ethanol program, insights of the first, second, third and fourth biofuel generations, advanced biofuel production techniques, related waste treatment, emissions and environmental impacts, water consumption, produced allergens and toxins. Additionally, the biofuel policy discussion is expected to be continuing in the foreseeable future and the reading of the biofuels features dealt with in this book, are recommended for anyone interested in understanding this diverse and developing theme.
Socioeconomic and Environmental Impacts of Biofuels by Alexandros Gasparatos,Per Stromberg Pdf
Biofuels are currently in the middle of a heated academic and public policy debate. Biofuel production has increased fivefold in the past decade and is expected to further double by 2020. Most of this expansion will happen in developing nations. This volume is the first of its kind, providing a comprehensive overview of the biofuel debate in developing countries. The chapters are written by a multidisciplinary team of experts, exposing the key drivers and impacts of biofuel production and use. The book covers impacts as diverse as air pollution, biodiversity loss, deforestation, energy security, food security, greenhouse gas emissions, land use change, rural development, water consumption and other socioeconomic issues. Its wide focus accommodates examples from countries in Africa, America and Asia. As such, this book will become an indispensable companion to academics, practitioners and policy makers who wish to know more about biofuel issues in the developing world.
Environmental, Economic and Policy Aspects of Biofuels by Deepak Rajagopal,David Zilberman Pdf
Environmental, Economic and Policy Aspects of Biofuels provides a timely summary of the current issues contributing to the policy debates on this emerging and important topic. The authors make several key conclusions: - Biofuels are diverse and evolving. The next generation of biofuels has the potential to provide improved net benefits but requires significant technological breakthroughs. - Greenhouse gas (GHG) benefits vary significantly across various types of biofuels and are dependent on market conditions and policy situation. - While biofuel improves the welfare of gasoline consumers and food producers, it has a significant negative affect on food consumers, especially the poor. - A diverse set of policies, which have been introduced or proposed, impact biofuels directly including subsidies, mandates, and regulation of carbon content of fuels. However, current policies do not provide incentives that align private and social welfare. - Much of the impact assessments of biofuels thus far are ex-ante estimates based on either optimization or equilibrium models. There is a lack of ex-post econometric analysis of the marginal impact of biofuels and biofuel policies on the economy. And the structural relationships between agriculture, the energy sector, and the environment in the context of biofuels have hardly been studied. The biofuel policy debate is likely to be an ongoing one in the near future and Environmental, Economic and Policy Aspects of Biofuels should be required reading for anyone interested in understanding this diverse and growing literature.
The Impacts of Biofuels on the Economy, Environment, and Poverty by Govinda R. Timilsina,David Zilberman Pdf
Interest in biofuels began with oil shocks in the 1970’s, but the more rapid development and consumption of biofuel industry in recent years has been primarily driven by mandates, subsidies, climate change concerns, emissions targets and energy security. From 2004 to 2006, fuel ethanol grew by 26% and biodiesel grew by 172%. As biofuel production continues to expand, investments in capacity expansion and research and development have been made. The 2008 food crisis emphasized the need to re-examine biofuel consequences. Biofuels remain an important renewable energy resource to substitute for fossil fuels, particularly in the transportation sector, yet biofuels’ success is still uncertain. The future of biofuels in the energy supply mix relies on mitigating potential and improving the environmental gains. This book brings together leading authorities on biofuel from the World Bank to examine all of the impacts of biofuel (economic, social, environmental) within a unified framework and in a global perspective, making it of interest to academics in agricultural and environmental economics as well as industry and policy-makers.
Biodiesel: Feedstocks, Technologies, Economics and Barriers by Armen B. Avagyan,Bhaskar Singh Pdf
Air pollution policy is closely connected with climate change, public health, energy, transport, trade, and agriculture, and generally speaking, the Earth has been pushed to the brink and the damage is becoming increasingly obvious. The transport sector remains a foremost source of air pollutants – a fact that has stimulated the production of biofuels. This book focuses on the biodiesel industry, and proposes a modification of the entire manufacturing chain that would pave the way for further improvements. Oil derived from oilseed plantations/crops is the most commonly used feedstock for the production of biodiesel. At the same time, the UK’s Royal Academy of Engineering and 178 scientists in the Netherlands have determined that some biofuels, such as diesel produced from food crops, have led to more emissions than those produced by fossil fuels. Accordingly, this book re-evaluates the full cycle of biodiesel production in order to help find optimal solutions. It confirms that the production and use of fertilizers for the cultivation of crop feedstocks generate considerably more GHG emissions compared to the mitigation achieved by using biodiesel. To address this fertilization challenge, projecting future biofuel development requires a scenario in which producers shift to an organic agriculture approach that includes the use of microalgae. Among advanced biofuels, algae’s advantages as a feedstock include the highest conversion of solar energy, and the ability to absorb CO2 and pollutants; as such, it is the better choice for future fuels. With regard to the question of why algae’s benefits have not been capitalized on for biofuel production, our analyses indicate that the sole main barrier to realizing algae’s biofuel potential is ineffective international and governmental policies, which create difficulties in reconciling the goals of economic development and environmental protection.
Roundtable on Environmental Health Sciences, Research, and Medicine,Board on Population Health and Public Health Practice,Institute of Medicine
Author : Roundtable on Environmental Health Sciences, Research, and Medicine,Board on Population Health and Public Health Practice,Institute of Medicine Publisher : National Academies Press Page : 0 pages File Size : 45,5 Mb Release : 2014-06-09 Category : Science ISBN : 0309292417
The Nexus of Biofuels, Climate Change, and Human Health by Roundtable on Environmental Health Sciences, Research, and Medicine,Board on Population Health and Public Health Practice,Institute of Medicine Pdf
Liquid fuels are a major part of modern life. They supply energy for ground, water, and air transportation as well as power for industrial and farming machinery. But fossil fuels - the dominant liquid fuel in use for well over a century - have many disadvantages. The use of fossil fuels has obvious health downsides, such as emissions of pollutants that are directly harmful to health. The burning of fossil fuels produces greenhouse gases, which contribute to global warming, itself a long-term threat to human health. There have also been health concerns related to insecurity of liquid fuel supplies and the potential of international conflicts being caused by fuel scarcity. Furthermore, there are concerns that the world's large but still limited supply of fossil fuels could be strained by the increasing demand that results from societies around the world achieving greater prosperity. In the face of these concerns, new policies have been created that encourage the development of renewable sources of energy in general and biofuels in particular. In January 2013, the Roundtable on Environmental Health Sciences, Research, and Medicine of the Institute of Medicine held a 2- day, interactive, public workshop on the intersection of biofuels, climate change, and human health. Workshop attendees explored public health issues related to the composition of traditional and alternative fuels and fuel additives, and they discussed the known and potential health impacts associated with the use of these fuels and fuel additives. The Nexus of Biofuels, Climate Change, and Human Health is the summary of that workshop. This report examines air, water, land use, food, and social impacts of biomass feedstock as an energy resource, and the state of the science and health policy implications of using different types (and generations) of biofuels as an energy source.
National Research Council,Division on Engineering and Physical Sciences,Board on Energy and Environmental Systems,Division on Earth and Life Studies,Board on Agriculture and Natural Resources,Committee on Economic and Environmental Impacts of Increasing Biofuels Production
Author : National Research Council,Division on Engineering and Physical Sciences,Board on Energy and Environmental Systems,Division on Earth and Life Studies,Board on Agriculture and Natural Resources,Committee on Economic and Environmental Impacts of Increasing Biofuels Production Publisher : National Academies Press Page : 416 pages File Size : 43,5 Mb Release : 2012-01-29 Category : Technology & Engineering ISBN : 9780309187510
Renewable Fuel Standard by National Research Council,Division on Engineering and Physical Sciences,Board on Energy and Environmental Systems,Division on Earth and Life Studies,Board on Agriculture and Natural Resources,Committee on Economic and Environmental Impacts of Increasing Biofuels Production Pdf
In the United States, we have come to depend on plentiful and inexpensive energy to support our economy and lifestyles. In recent years, many questions have been raised regarding the sustainability of our current pattern of high consumption of nonrenewable energy and its environmental consequences. Further, because the United States imports about 55 percent of the nation's consumption of crude oil, there are additional concerns about the security of supply. Hence, efforts are being made to find alternatives to our current pathway, including greater energy efficiency and use of energy sources that could lower greenhouse gas (GHG) emissions such as nuclear and renewable sources, including solar, wind, geothermal, and biofuels. The United States has a long history with biofuels and the nation is on a course charted to achieve a substantial increase in biofuels. Renewable Fuel Standard evaluates the economic and environmental consequences of increasing biofuels production as a result of Renewable Fuels Standard, as amended by EISA (RFS2). The report describes biofuels produced in 2010 and those projected to be produced and consumed by 2022, reviews model projections and other estimates of the relative impact on the prices of land, and discusses the potential environmental harm and benefits of biofuels production and the barriers to achieving the RFS2 consumption mandate. Policy makers, investors, leaders in the transportation sector, and others with concerns for the environment, economy, and energy security can rely on the recommendations provided in this report.
Biofuels and Sustainability by Kazuhiko Takeuchi,Hideaki Shiroyama,Osamu Saito,Masahiro Matsuura Pdf
This open access book presents a comprehensive analysis of biofuel use strategies from an interdisciplinary perspective using sustainability science. This interdisciplinary perspective (social science-natural science) means that the strategies and policy options proposed will have significant impacts on the economy and society alike. Biofuels are expected to contribute to reducing greenhouse gas emissions, revitalizing economies in agricultural communities and alleviating poverty. However, despite these anticipated benefits, international organizations such as the FAO, OECD and UN have published reports expressing concerns that biofuel promotion may lead to deforestation, water pollution and water shortages. The impacts of biofuel use are extensive, cross-sectoral and complex, and as such, comprehensive analyses are required in order to assess the extent to which biofuels can contribute to sustainable societies. Applying interdisciplinary sustainability science concepts and methodologies, the book helps to enhance the establishment of a sustainable society as well as the development of appropriate responses to a global need for urgent action on current issues related to biofuels.
Environmental Management of Energy from Biofuels and Biofeedstocks by James G. Speight,Kamel Singh Pdf
The most comprehensive and thorough volume on the environmental aspects of energy from biofuels and biofeedstocks Biomass is a renewable resource whose utilization has received great attention due to environmental considerations and the increasing demands of energy worldwide. Since the energy crises of the 1970s, many countries have become interested in biomass as a fuel source to expand the development of domestic and renewable energy sources, reduce the environmental impacts of energy production, provide rural prosperity for its poor farmers, and bolster a flat agricultural sector. This first volume in the Energy and the Environment series discusses the environmental impacts and social concerns of energy production in its various forms, offering comprehensive coverage of the many available biofuels. Starting with a historical overview, Environmental Management of Energy from Biomass and Biofeedstocks: Presents a full technological treatment of the processes, engineering, and applications of biofuels and biofeedstocks Describes the relevant technologies and their environmental impacts Covers the social aspects, economic aspects, and the future of biofuels Discusses a variety of biofuels and their possible use and applicability in different countries
Global Economic and Environmental Aspects of Biofuels by David Pimentel Pdf
Biofuels and food are dependent on the same resources for production: land, water, and energy. The conjuncture of food, energy, and climate crises demands a new direction in how to harness agriculture to the joint tasks of energy-saving, emissions reduction, and food security. Global Economic and Environmental Aspects of Biofuels focuses on the all-important question of the efficacy of biofuels as a solution to the global energy problem. Written by a distinguished team from five countries and multiple disciplines including agronomy, petroleum engineering, ecology, and meteorology, the book addresses the use of biofuels produced from crops and various organic materials as alternatives or supplements to petroleum. Key Features Discusses biofuels within the context of the world population problem, food, malnutrition, resource depletion, and climate change Asks the critical question whether the production of ethanol from corn, sugar cane, crop residues, and other organic materials has proven too costly in both economic and environmental terms Analyzes the uses and interdependencies among land, water, and fossil energy resources in food versus biofuel production Includes case studies on the economic and environmental impacts of biofuel production and use from the United States, Europe, Brazil, and tropical environments Explores the future production of biodiesel and ethanol from salt-water algae and tropical palms, while recognizing the technological problems that must be resolved in processing these materials This book examines key environmental and economic issues associated with the production of ethanol as a fuel, from corn, sugar cane, crop residues, and other organic materials. It brings together the opinions of a number of U.S. scientists and experts from Spain, Italy, the United Kingdom, and Brazil, and highlights the remarkable agreement among the contributors on the pros and cons of biofuels as an answer to future petroleum shortages. This mix of contributors and opinions presents a well-rounded view of the subject that puts a spotlight on unresolved concerns and complexities that are often overlooked.
Towards Sustainable Production and Use of Resources by Anonim Pdf
This report was produced by the Working Group on biofuels of the International Panel for Sustainable Resource Managemet. It provides an overview of the key problems and perspectives toward sustainable production and use of biofuels. It is based on an extensive literature study, taking into account recent major reviews. The focus is on so-called first generation biofuels while considering further lines of development. In the overall context of enhancing resource productivity, options for more efficient and sustainable production and use of biomass are examined. In particular, "modern biomass use" for energetic purposes, such as biomass used for (co-)generation of heat and power and liquid biofuels for transport, are addressed and related to the use of biomass for food and material purposes. Whereas improving the efficiency of biomass production plays a certain role towards enhancing sustainability, progress will ultimately depend on a more efficient use of biotic (and abiotic) resources (incl. for instance an increased fuel economy of car fleets), although a full consideration of all relevant strategies towards this end (e.g changing diets high in animal based foods and reducing food losses) is beyond the scope of this report.
Sustainable Agriculture Reviews 30 by Olivier Réchauchère,Antonio Bispo,Benoît Gabrielle,David Makowski Pdf
The originality of this book is to review and characterize the current body of scientific publications that describe the complete causal sequence from reorganization of agricultural production to land use changes (LUC) and the resulting environmental impacts. The chapters examine both the range of territorial reorganizations leading to LUC and the range of associated environmental impacts considered in the literature, including GHG emissions, atmospheric pollution, biodiversity impacts, water resources, and soil quality.
Handbook of Bioenergy Economics and Policy by Madhu Khanna,Jürgen Scheffran,David Zilberman Pdf
Concerns about energy security, uncertainty about oil prices, declining oil reserves, and global climate change are fueling a shift towards bioenergy as a renewable alternative to fossil fuels. Public policies and private investments around the globe are aiming to increase local capacity to produce biofuels. A key constraint to the expansion of biofuel production is the limited amount of land available to meet the needs for fuel, feed, and food in the coming decades. Large-scale biofuel production raises concerns about food versus fuel tradeoffs, about demands for natural resources such as water, and about potential impacts on environmental quality. The book is organized into five parts. The introductory part provides a context for the emerging economic and policy challenges related to bioenergy and the motivations for biofuels as an energy source. The second part of the handbook includes chapters that examine the implications of expanded production of first generation biofuels for the allocation of land between food and fuel and for food/feed prices and trade in biofuels as well as the potential for technology improvements to mitigate the food vs. fuel competition for land. Chapters in the third part examine the infrastructural and logistical challenges posed by large scale biofuel production and the factors that will influence the location of biorefineries and the mix of feedstocks they use. The fourth part includes chapters that examine the environmental implications of biofuels, their implications for the design of policies and the unintended environmental consequences of existing biofuel policies. The final part presents economic analysis of the market, social welfare, and distributional effects of biofuel policies.
Future Perspectives of 2nd Generation Biofuels by Rainer Zah Pdf
Fossil independence and substantial reductions in CO2 emissions seem to be possible with 2nd generation biofuels. New technologies allow a full carbon-to-fuel conversion of non-edible plant parts such as straw or wood, and the cultivation of algae or salt-resistant plants uncouples bioenergy from food production. Nevertheless, impacts on biodiversity, global land and water use are widely unclear and their competitiveness with 1st generation biofuels and electric mobility is an open question. An interdisciplinary team of Empa, University of Zurich and the Institute of Climate, Environment and Energy in Wuppertal evaluated the most sustainable production techniques and assessed their potential for our future mobility. Zielpublikum: Energie- und Umweltfachleute, Entwicklungsingenieure, Klima-/Energiebeauftragte, Behörden/Politiker