THE NEW YORK TIMES 🔒 | One day in the fall of 1969, Denis Hayes, a graduate student at Harvard, snagged a 10-minute meeting with Gaylord Nelson, a United States senator from Wisconsin who had been talking up his idea for a national teach-in about environmentalism.
The visit stretched into a two-hour conversation, and at the end of it Mr. Hayes had a job. He ended up organizing the original Earth Day on April 22, 1970.
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