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  2. On November 15, 1990, the Clean Air Act was revised to curb four major threats to the environment and to the health of millions of Americans: acid rain, urban air pollution, toxic air emissions, and stratospheric ozone depletion.

  3. Clean Air Act (United States) - Wikipedia

    en.wikipedia.org/wiki/Clean_Air_Act_(United_States)

    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 is one of the United States' first and most influential modern environmental laws .

  4. Clean Air Act Text | US EPA - U.S. Environmental Protection...

    www.epa.gov/clean-air-act-overview/clean-air-act-text

    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. The last major change in the law, the Clean Air Act Amendments of 1990, enacted in 1990 by Congress.

  5. Summary of the Clean Air Act - US EPA

    www.epa.gov/laws-regulations/summary-clean-air-act

    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 Quality Standards (NAAQS) and maximum achievable control technology (MACT) standards.

  6. Clean Air Act (CAA) | History, Pollution, Legislation, & Effects...

    www.britannica.com/topic/Clean-Air-Act-United-States-1970

    Clean Air Act (CAA), U.S. federal law, passed in 1970 and later amended, to prevent air pollution and thereby protect the ozone layer and promote public health. The Clean Air Act (CAA) gave the Environmental Protection Agency (EPA) the power it needed to take effective action to fight environmental pollution.

  7. Overview of the Clean Air Act and Air Pollution | US EPA

    19january2021snapshot.epa.gov/clean-air-act-overview

    Overview of the Clean Air Act and Air Pollution. How the Act Works: The Act calls for states and EPA to solve multiple air pollution problems through programs based on the latest science and technology information. Requirements and History.

  8. Clean Air Act: A Summary of the Act and Its Major Requirements

    crsreports.congress.gov/product/pdf/RL/RL30853

    The Clean Air Act, codified as 42 U.S.C. 7401 et seq., seeks to protect human health and the environment from emissions that pollute ambient, or outdoor, air. It requires EPA to establish

  9. Old Clean Air Act issues loom for new Trump EPA

    www.eenews.net/articles/old-clean-air-act-issues-loom-for-new-trump-epa

    Old Clean Air Act issues loom for new Trump EPA. ... who served as the agency’s acting air chief under former President George W. Bush and is now a partner in the law firm of Crowell & Moring. ...

  10. Summary of the Clean Air Act | Laws & Regulations - US EPA

    19january2021snapshot.epa.gov/laws-regulations/summary-clean-air-act

    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 Quality Standards (NAAQS) and maximum achievable control technology (MACT) standards.

  11. Clean Air Act Requirements and History | US EPA

    www.epa.gov/clean-air-act-overview/clean-air-act-requirements-and-history

    In 1970 congress designed the Clean Air Act to combat a variety of air pollution problems, and to tackle emerging pollution threats such as public health, national welfare, toxic air pollutants, acid rain, protection of the ozone layer, and regional haze.