DDT

Video: Remembering Earth Day

Forty years ago on the first Earth Day, I took a hundred college students to see Pennsylvania’s last nesting bald eagle at Conneaut Marsh. The eggs failed to hatch because …

Earth Day Flashback: 30 Years of Working to Preserve PA’s Wildlife

This column by Larry Schweiger, then president & CEO of the Western Pennsylvania Conservancy, originally ran in the Pittsburgh Post-Gazette on April 23, 2000, marking the 30th annual Earth Day. …

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