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Spheres of Influence
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Where Do We Stand? Global Ecosystem Assessments Ask the Big Question David J. Tenenbaum Abstract
How healthy are the earth's ecosystems? Will they continue to provide the goods and services on which all life depends? These pressing questions have been receiving attention from two international collaborations, the Pilot Analysis of Global Ecosystems and the upcoming Millennium Ecosystem Assessment. These two assessments will document the condition of ecosystems past, present, and future. Rather than issue prescriptions to policy makers, the assessments seek to provide scenarios to guide the actions of industry, government, and international agencies, and will paint very broad pictures of how the world might look in the future, based on certain uncontrollable and unknowable variables.
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