Carol Perry

A view from the stage for Earth Day April 22, 1970, in Fairmount Park in Philadelphia. An estimated 20,000 to 40,000 people attended the event, part of the city's Earth Week. (1970 Earth Week Committee of Philadelphia)

Hymns, teach-ins and a horse ride to school: Catholic stories of the first Earth Day

An estimated 20 million Americans took part in the first Earth Day in 1970. Scattered among them were many Catholics and people of faith, and EarthBeat hears some of their stories, 50 years later.

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