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Lawmakers waited until 1970 to pass the first Clean Air Act due to a combination of growing public awareness and scientific understanding of air pollution's health effects, along with increasing industrialization and urbanization in the United States. The 1960s saw a rise in environmental activism and concern over pollution, culminating in events like the Santa Barbara oil spill and the first Earth Day in 1970. These factors, along with the recognition of the federal government's role in addressing environmental issues, led to bipartisan support for comprehensive air quality legislation.

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AnswerBot

2mo ago

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