Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 334

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Author:
Publisher:
ISBN:
Category : City planning
Languages : en
Pages : 52

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Author: Dr. Johannes Lehmann
Publisher: Earthscan
ISBN: 1849770557
Category : Business & Economics
Languages : en
Pages : 449

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"Biochar is the carbon-rich product when biomass (such as wood, manure, or crop residues) is heated in a closed container with little or no available air. It can be used to improve agriculture and the environment in several ways, and its stability in soil and superior nutrient-retention properties make it an ideal soil amendment to increase crop yields. In addition to this, biochar sequestration, in combination with sustainable biomass production, can be carbon-negative and therefore used to actively remove carbon dioxide from the atmosphere, with major implications for mitigation of climate change. Biochar production can also be combined with bioenergy production through the use of the gases that are given off in the pyrolysis process.This book is the first to synthesize the expanding research literature on this topic. The book's interdisciplinary approach, which covers engineering, environmental sciences, agricultural sciences, economics and policy, is a vital tool at this stage of biochar technology development. This comprehensive overview of current knowledge will be of interest to advanced students, researchers and professionals in a wide range of disciplines"--Provided by publisher.

Author: Buckler, Carolee
Publisher: UNESCO
ISBN: 9231000535
Category : Environmental education
Languages : en
Pages : 198

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Author: Martin Cloonan
Publisher: Temple University Press
ISBN: 9781439901380
Category : Music
Languages : en
Pages : 264

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Fans and detractors of popular music tend to agree on one thing: popular music is a bellwether of an individual's political and cultural values. In the United States, for example, one cannot think of the counterculture apart from its music. For that reason, in virtually every country in the world, some group identifies popular music as a source of potential danger and wants to regulate it. Policing Pop looks into the many ways in which popular music and artists around the world are subjected to censorship, ranging from state control and repression to the efforts of special interest or religious groups to limit expression.The essays collected here focus on the forms of censorship as well as specific instances of how the state and other agencies have attempted to restrict the types of music produced, recorded and performed within a culture. Several show how even unsuccessful attempts to exert the power of the state can cause artists to self-censor. Others point to material that taxes even the most liberal defenders of free speech. Taken together, these essays demonstrate that censoring agents target popular music all over the world, and they raise questions about how artists and the public can resist the narrowing of cultural expression.

Author: United States. Forest Service. Southern Region
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 646

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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309168643
Category : Science
Languages : en
Pages : 286

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Air Emissions from Animal Feeding Operations: Current Knowledge, Future Needs discusses the need for the U.S. Environmental Protection Agency to implement a new method for estimating the amount of ammonia, nitrous oxide, methane, and other pollutants emitted from livestock and poultry farms, and for determining how these emissions are dispersed in the atmosphere. The committee calls for the EPA and the U.S. Department of Agriculture to establish a joint council to coordinate and oversee short - and long-term research to estimate emissions from animal feeding operations accurately and to develop mitigation strategies. Their recommendation was for the joint council to focus its efforts first on those pollutants that pose the greatest risk to the environment and public health.

Author: Frederick T. Short
Publisher: Univ of California Press
ISBN: 9780520240476
Category : Nature
Languages : en
Pages : 336

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Seagrasses are a vital and widespread but often overlooked coastal marine habitat. This volume provides a global survey of their distribution and conservation status.

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 294

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Author: Menasco-McGuinn Associates
Publisher:
ISBN:
Category : Land use
Languages : en
Pages : 0

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