Год выпуска: 2008 Автор: Economics, and the Environment The H. John Heinz III Center for Science Издательство: Страниц: 300 ISBN: 1597264717
Описание
Revised and updated periodically, The State of the Nation’s Ecosystems is widely recognized as America’s most comprehensive report on the condition of our lands, waters, and living resources. Like the acclaimed first edition, this second edition provides onpartisan, scientifically reliable information for policymakers, scientists, journalists, and anyone who is interested in the state of America’s environment. The State of the Nation’s Ecosystems provides a way to “take the pulse” of America’s environment It is organized around the nation’s primary ecosystems: farmlands, forests, fresh waters, coasts and oceans, grasslands and shrublands, urban and suburban areas, and the nation as a whole. For each, it identifies what should be measured, counted, and reprted so that decision makers and others can understand the changes that are occurring, set priorities for action, and measure whether we are achieving our environmental goals. Conditions are tracked using approximately 100 indicators,...