Gaylord Nelson and the Origins of Earth Day by WVVLhHpCQb | Sep 29, 2021 | America ExplainedThanks to the efforts of outspoken activists like Greta Thunberg, you might think that climate activism is a modern phenomenon. But on April 22, 1970, the US went climate crazy – as 20 million Americans took part in the very first Earth...
