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22 Apr 1970, New York, New York, USA --- 4/22/1970-New York, NY- Fifth Avenue, reminiscent of some European promenade, is filled with thousands of people just after the fashionable street was closed to motor traffic at noon on Earth Day. Conceived as a national teach-in, patterned after the Vietnam teach-ins held on hundreds of campuses in the Spring of 1965, Earth Day is a nation-wide demonstration of concern for the planet and all forms of life--not only man--who live on it. --- Image by © Bettmann/CORBISOn the 50th Anniversary of Earth Day, CLA recognizes the people who[...]