Earth Day Turns 50
About 20 million Americans turned out for the first Earth Day on April 22, 1970. Lectures and rallies took place at more than 2,000 college campuses, 10,000 elementary and high schools, and thousands of other places across the country. Forty-two states adopted resolutions endorsing Earth Day, and Congress recessed so that legislators could participate in the activities in their districts. It is sometimes described as, up to that time, the largest public demonstration in history.
The lectures and literature surrounding the event featured lots of dismal predictions about the future....