We need functioning natural ecosystems, with their native species of earthworms, bees, plants, and microbes, to generate and aerate our soils, pollinate our crops, decompose our wastes, and produce our oxygen." "We need a healthy environment because we need clean water, clean air, wood, and food from the ocean, plus soil and sunlight to grow crops. He extends his findings to contemporary areas overwhelmed by pollution and the loss of natural resources as a means for helping understand and overcome problems that may lead to modern-day societal collapses. Jared Diamond (1937–), a professor of geography and of environmental health sciences, explores history in order to understand how some civilizations of the past fell quickly into ruin by failing to perceive and solve their environmental problems. Published in Harper's Magazine, June 2003. Excerpt from "The Last Americans: Environmental Collapse and the End of Civilization"
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