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| Episode Description |
Sunday, Apr 22, 2012 - 3:00 AM
The story of modern environmentalism is told through the eyes of nine Americans who propelled the movement from the 1950s to 1970 and beyond. Rapid population growth, industrial pollution, agricultural runoff, human waste and pesticides degrade water, land and air, endangering food and health. The growing national concern about the environment brings 20 million Americans out for Earth Day activities on April 22, 1970. G
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