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Episode for April 21, 2017

Think Earth Day was started by a group of tree-hugging hippies? That’s just part of the story. In this hour-long special, we explore the history of Earth Day—from the man who came up with the name to a clever bit of marketing that played a key role in bringing millions of people to the environmental movement.

Episode for April 14, 2017

In this episode, we dig into some of Pennsylvania's deepest lessons in environmental history — from the '70s activists who gave Pittsburgh its cleaner air to the lost history of African-American environmentalism.