Season 22, Episode 5 Earth Days
First Aired: April 19, 2010
"Earth Days" tracks the flowering of the modern environmental movement, including the first Earth Day in 1970, through the eyes of nine of the movement's pioneers, including Whole Earth Catalog founder Stewart Brand, biologist Paul Ehrlich ("Population Bomb"), renewable-energy visionary Hunter Lovins, former interior secretary Stewart Udall and astronaut Rusty Schweickart.
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- Premiered: October 4, 1988
- Rating: TV-PG
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- Premise: This much-honored PBS documentary series explores American history, one topic or person at a time. Its Peabody Award winners include profiles of FDR and Malcolm X, and such diverse topics as Nixon's 1972 trip to China, the controversy surrounding `Citizen… (more)