A decade of "chronic sand mining" at Vigie Beach, Saint Lucia ends, but not before it worsened the effects of hurricanes and made "coastal resources management development" more difficult.[2]
US President Richard Nixon gave the nation's first presidential message on the environment.[3]
April
The first Earth Day took place on April 22, organized by Gaylord Nelson, former senator of Wisconsin, and Denis Hayes, Harvard graduate student. Twenty million people participated in teach-ins in the United States.[4]
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