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Earth Day

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The first Earth Day, observed across the country on April 22, 1970, crystallized a growing public concern about ecological crises. #EarthDay was the product of local grassroots action to increase environmental awareness but it also focused the nation's political agenda on urgent environmental issues.

© Board of Regents of the University of Wisconsin System. Nelson Institute for Environmental Studies
550 N. Park St., 122 Science Hall, Madison, WI 53706

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