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State of the World 1990: A Worldwatch Institute on Progress Toward a Sustainable Society
State of the World 1990 A Worldwatch Institute on Progress Toward a Sustainable Society Author:Lester Russell Brown, Alan Durning This seventh annual examination of the world's ecological health by the Worldwatch Institute provides a global action plan for shaping a sustainable society and dealing with environmental concerns--such as climate, air pollution, water and food supplies, and other problems.