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Showing 1 to 15 of 17 results Save | Export
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Pereira Querol, Marco A.; Suutari, Timo; Seppanen, Laura – Journal of Agricultural Education and Extension, 2010
The purpose of this paper is to present theoretical tools for understanding the dynamics of change and learning during the emergence and development of environmental management activities. The methodology consists of a historical analysis of a case of biogas production that took place in the Southwest region of Finland. The theoretical tools used…
Descriptors: Foreign Countries, Physical Environment, Management Systems, Fuels
National Center for Appropriate Technology, Butte, MT. – 1984
This three-section report provides introductory information about biogas production and its application to farm environments. The first section discusses the various components of a biogas production system (a system that converts organic wastes into a usable form of energy), explains the system's benefits and liabilities, and provides a brief…
Descriptors: Agricultural Engineering, Alternative Energy Sources, Case Studies, Energy Conservation
Arnott, Michael – 1985
This book describes one approach to building and operating biogas systems. The biogas systems include raw material preparation, digesters, separate gas storage tanks, use of the gas to run engines, and the use of the sludge as fertilizer. Chapters included are: (1) "Introduction"; (2) "Biogas Systems are Small Factories"; (3)…
Descriptors: Agricultural Skills, Biological Influences, Energy Conservation, Energy Management
Nakagawa, Charles H.; Honquilada, Q. L. – 1985
This book provides the basic knowledge and guides for the construction and operation of a small-scale, family-size biogas unit. The first chapter discusses the benefits of biogas production and the Chinese biogas model. The second chapter shows the components, design formulas, and sizing units of the biogas model. Chapter 3 describes actual…
Descriptors: Agricultural Skills, Biological Influences, Construction (Process), Energy Conservation
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Ng, Betsy Ling-Ling – Asia-Pacific Forum on Science Learning and Teaching, 2012
Learning of science has been traditionally conducted in classrooms or in the form of lectures. Science education is usually context-specific learning as students are taught a particular module of content in class. In problem-based learning, they are provided with examples of problems in which they learn how to solve these types of problems.…
Descriptors: Foreign Countries, Science Education, Learning Strategies, Service Learning
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Lund, Chris; Biswas, Wahidul – Bulletin of Science, Technology & Society, 2008
The lifecycle concept is a "cradle to grave" approach to thinking about products, processes, and services, recognizing that all stages have environmental and economic impacts. Any rigorous and meaningful comparison of energy supply options must be done using a lifecycle analysis approach. It has been applied to an increasing number of conventional…
Descriptors: Energy Conservation, Energy, Life Cycle Costing, Power Technology
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Raven, Rob P. J. M.; Heiskanen, Eva; Lovio, Raimo; Hodson, Mike; Brohmann, Bettina – Bulletin of Science, Technology & Society, 2008
This article examines how local experiments and negotiation processes contribute to social and field-level learning. The analysis is framed within the niche development literature, which offers a framework for analyzing the relation between projects in local contexts and the transfer of local experiences into generally applicable rules. The…
Descriptors: Municipalities, Foreign Countries, Case Studies, Sustainable Development
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Ghosh, Soma – International Journal of Sustainability in Higher Education, 2011
Purpose: The purpose of this paper is to describe and analyze those US colleges and universities that are participating in the Green Power Partnership (GPP). GPP is a voluntary environmental program initiated by the US Environmental Protection Agency (EPA) in 2001 to help increase the use of green power (electricity produced from solar, wind,…
Descriptors: Higher Education, Campuses, College Presidents, Colleges
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Carioca, J. O. B.; And Others – Impact of Science on Society, 1987
Discusses how biomass in the form of fuelwood, crop residues, and animal dung can be converted into fuels such as biogas and ethanol to replace or supplement fossil fuels. Argues for future decentralized, integrated biomass energy development. (TW)
Descriptors: Alternative Energy Sources, Depleted Resources, Developing Nations, Ecological Factors
Tribe, Michael; Pritchard, Alan J. – 1984
This five-chapter document (part of a series on biology and human welfare) focuses on biological systems as energy sources and on the teaching of this subject area. Chapter 1 discusses various topics related to energy and ecology, including biomass, photosynthesis and world energy balances, energy flow through ecosystems, and others. Chapter 2…
Descriptors: Alternative Energy Sources, Biology, Curriculum Design, Curriculum Development
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El Nawawy, Amin S. – Impact of Science on Society, 1982
Prospects for microbial technology are discussed including: (1) possible transfer of nitrogen-fixing ability directly from bacteria to plant; (2) increasing food needs met through single-cell proteins and fermentation; (3) microbial production of antibiotics; and (4) increased biogas production. (Author/JN)
Descriptors: Biochemistry, Chemical Reactions, College Science, Enzymes
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Smil, Vaclaw – Environment, 1977
For more than a decade, the Chinese have been using biogas digesters to produce fuel for homes in rural areas. This article discusses the design, operation, and benefits of these digesters. This means of waste treatment helps improve sanitation, produce fertilizer, and save fossil fuels. (MA)
Descriptors: Conservation (Environment), Energy, Energy Conservation, Fuel Consumption
Maine Audubon Society, Falmouth. – 1977
This book is a teacher's guide to energy alternatives. It is divided into seven informational packets on the following topics: parabolic solar concentrators, solar flat plate collectors, wood as fuel, heat loss, bio-gas, wind, and water. Each packet contains background information for the teachers and learning activities for the students. The…
Descriptors: Conservation Education, Energy Conservation, Environmental Education, Industrial Arts
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LaHart, David E. – 1980
This guide is intended to assist the teacher in exploring energy issues and the technology of solar energy conversion and associated technologies. Sections of the guide include: (1) Rationale; (2) Technology Overview; (3) Sun Day Suggestions for School; (4) Backyard Solar Water Heater; (5) Solar Tea; (6) Biogas; (7) Solar Cells; (8) Economics; (9)…
Descriptors: Conservation Education, Curriculum Development, Elementary Secondary Education, Energy
Jones, Natalie; Hughes, Wyn – 1982
This unit, developed by the Third World Science Project, is designed to add a multicultural element to existing science syllabi (for students aged 11-16) in the United Kingdom. The project seeks to develop an appreciation of the: boundless fascination of the natural world; knowledge, skills, and expertise possessed by men/women everywhere;…
Descriptors: Chemical Reactions, Cultural Activities, Developing Nations, Elementary School Science
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