PHOTOS: Earth Day Successes
An estimated one in 10 Americans took part in the first Earth Day, observed across the country on April 22, 1970. Brainchild of Wisconsin Sen. Gaylord Nelson, the first national Earth Day unified a growing public concern about environmental crises. Concerned citizens gathered for environmental teach-ins at more than 2,000 colleges. An additional 10,000 elementary ... read morePublished in General










