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45 Years of Earth Day: How Environmentalism Has Evolved

Earth Day

45 Years of Earth Day: How Environmentalism Has Evolved

NBC News - Alan Boyle

Environment This is definitely not your parents' Earth Day. On April 22, 1970, millions of people took to the streets for '60s-style demonstrations and marches, calling attention to the perilous pollution of America's land, air and water. Ten thousand flocked to the Washington Monument for a folk …

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