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The Clean Air Act

The Clean Air Act defines the Environment Protection Agency's responsibilities for protecting and improving our nation's air quality and the ozone layer. It has been the law of the land for over 40 years, with a proven track record of success in cost-effectively cutting dangerous pollution to protect our health and environment and spurring American innovation. Government studies show that the health benefits of the Clean Air Act exceed its costs by a 40-to-1 ratio. To learn more about specific Clean Air Act topics, click below:

Congressional Attacks on the Clean Air Act


Carbon Pollution Standards


Standards for Power Plants and Other Major Emitters



Clean Vehicle Standards



CAA Digest

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The Clean Air Act Digest is a publication put together by US Climate Action Network and Natural Resources Defense Council. Click here for past issues.

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