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American Experience - Season 37 Episode 4 Clearing the Air: The War on Smog

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A chronicle of how Los Angeles' devastating smog problem in the 1940s and 50s led to the creation of the Environmental Protection Agency (EPA) and the Clean Air Act.

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First Air Date: Oct 04, 1988

Last Air date: Aug 26, 2025

Season: 38 Season

Episode: 396 Episode

Runtime: 55 minutes

IMDb: 7.40/10 by 36.00 users

Popularity: 8.8964

Language: English