The Clean Air Act Is Revised (Great Events from History II: Ecology and the Environment Series)
Article abstract: The 1977 Clean Air Act Amendments tightened regulatory controls to bring states into compliance with the standards set forth in the 1970 Clean Air Act.
Summary of Event
The Clean Air Act Amendments of 1977 attempted to deal with increasingly complex and serious air-pollution problems in the United States. At the time of its passage, the law was viewed as one of the most detailed and comprehensive environmental laws ever passed. It was more than 180 pages in length, about three times longer than the 1970 Clean Air Act it amended. The new legislation was also extremely complex, as it attempted to deal with such elementary issues as the exact definition of air pollution.
In order to understand the Clean Air Act Amendments of 1977, it is helpful to examine the clean-air legislation that preceded and influenced these amendments. The Clean Air Act of 1963 was designed to prevent and reduce air pollution, but it was a weak statute. In the years that followed, this original act was amended often. There were major changes in 1965 (when nationwide emissions standards for motor vehicles were established, including the required use of pollution-control devices) and in 1967 (when air-quality control regions were designated and quality control criteria were set forth).
It was the 1970 Clean Air Act, however, that established an enduring regulatory framework for air-pollution control. The 1970...
(The entire section is 2139 words.)
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