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S37E4
Clearing the Air: The War on Smog
August 26, 2025
In 1943, dark, smoky clouds enveloped Los Angeles, causing residents to complain of burning eyes, nausea, and difficulty breathing. The source of the smog was a mystery. CLEARING THE AIR: THE WAR ON SMOG is the story of the epic struggle for clean air, involving years of scientific study and civic pressure that would lead to the creation of the EPA and the Clean Air Act. From AMERICAN EXPERIENCE.