
Overview of the Clean Air Act and Air Pollution | US EPA
3 days ago · The Clean Air Act is the law that defines EPA's responsibilities for protecting and improving the nation's air quality and the stratospheric ozone layer.
Clean Air Act (United States) - Wikipedia
The Clean Air Act (CAA) is the United States' primary federal air quality law, intended to reduce and control air pollution nationwide. Initially enacted in 1963 and amended many times since, it …
Clean Air Act: A Summary of the Act and Its Major Requirements
Federal legislation addressing air pollution was first passed in 1955, prior to which air pollution was the exclusive responsibility of state and local levels of government. The federal role was …
Clean Air Act (CAA) | History, Pollution, Legislation, & Effects ...
Dec 9, 2025 · Clean Air Act (CAA) is a U.S. federal law, passed in 1970 and later amended, to prevent air pollution and thereby protect the ozone layer and promote public health.
to provide technical and financial assistance to State and local governments in connection with the development and execution of their air pollution prevention and control pro-grams; and to …
Clean Air Act (CAA) - LII / Legal Information Institute
The Clean Air Act (CAA), codified in U.S.C. Title 42, Chapter 85, is a central piece of legislation in the field of environmental law which promulgates uniform national standards for a wide range …
The Clean Air Act 101 - NRDC
Aug 11, 2025 · What is the Clean Air Act? The Clean Air Act is a comprehensive federal law that gives the U.S. Environmental Protection Agency (EPA) the authority to regulate air pollutants …
What is the U.S. Clean Air Act? – The Institute for Environmental ...
Jun 21, 2025 · Through regulations and programs, it aims to clean up and prevent air pollution, addressing both stationary and mobile sources, while establishing ambient air quality …
Summary of the Clean Air Act - US EPA
Jul 25, 2025 · The Clean Air Act, or CAA, is the comprehensive federal law that regulates air emissions from stationary and mobile sources, using standards such as National Ambient Air …
Clean Air Act - Department of Energy
The primary law governing the Department of Energy (DOE) air pollution control activities is the Clean Air Act (CAA).