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This document is a cooperative effort among fifteen Federal agencies and partners to produce a common reference on stream corridor restoration. It responds to a growing national and international interest in restoring stream corridors.
This guide helps you sort out thsi Texas greenery that, in sheer loveliness, is second to none. This descriptive handbook helps you identify the more than 220 trees considered to be native to Texas, plus the 30 speices that have become naturalized.
The first comprehensive treatment of North American rodents of conservation concern. This action plan summarizes the rodent fauna of North America and provides available information on every rodent taxon that has been considered to be of conservation concern by state, provincial and private conservation agencies and regional experts. It is hoped that the survey provided in this action plan will serve as a common ground for all these parties in drawing up conservation strategies for rodents.
Composting toilet systems and other ecological wastewater management methods are emerging as viable and cost-saving alternatives to wastewater disposal systems worldwide. Find out why-and how to choose, install and maintain them!In this book, you'll find:ʺ Descriptions of more than 40 systems-both manufactured and site-built-and their sourcesʺ Information on compatible toilet stools and installing micro-flush toiletsʺ Tips on choosing, planning, installing and maintaining your composting toilet systemʺ The experiences of owner-operators worldwideʺ What you should know about graywater and its treatmentʺ Regulations and advice about getting your system approved. David Del Porto has sold and serviced thousands of several models and brands of composting toilet systems since 1972. He has also helped write regulations and performance standards for these systems, and has designed composting toilet and graywater systems for Greenpeace, government agencies and for developing countries. 25 years of his research and experience is detailed in the book.,D.
The Social and Cultural Construction of Risk: Issues, Methods, and Case Studies Vincent T. Covello and Branden B. Johnson Risks to health, safety, and the environment abound in the world and people cope as best they can. But before action can be taken to control, reduce, or eliminate these risks, decisions must be made about which risks are important and which risks can safely be ignored. The challenge for decision makers is that consensus on these matters is often lacking. Risks believed by some individuals and groups to be tolerable or accept able - such as the risks of nuclear power or industrial pollutants - are intolerable and unacceptable to others. This book addresses this issue by exploring how particular technological risks come to be selected for societal attention and action. Each section of the volume examines, from a different perspective, how individuals, groups, communities, and societies decide what is risky, how risky it is, and what should be done. The writing of this book was inspired by another book: Risk and Culture: An Essay on the Selection of Technoloqical and Environmental Dangers. Published in 1982 and written by two distinguished scholars - Mary Douglas, a British social anthropologist, and Aaron Wildavsky, an American political scientist - the book received wide critical attention and offered several provocative ideas on the nature of risk selection, perception, and acceptance.