Clean Air Act (1963, 1970, 1990)
The 1970 Clean Air Act and major amendments to the act in 1977 and 1990 serve as the backbone of efforts to control air pollution in the United States. This law esta...
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Clean Air Act
The 1970 Clean Air Act (CAA), significantly amended in 1977 and again in 1990, regulates air pollution emissions from "stationary" sources (e.g., factories, smokestacks, et...
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Clean Air Act (1963, 1970, 1990)
Clean Air Act