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For more than forty-five years the Clean Air Act has cut pollution as the U.S. economy has grown. Americans breathe less pollution and face lower risks of premature death and other serious health effects. Environmental damage from air pollution is reduced. The value of Clean Air Act health benefits far exceeds the costs of reducing pollution.
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.
Despite the dramatic progress to date, air pollution continues to threaten Americans’ health and welfare. The main obstacles are climate change, conventional air pollution, and ozone layer depletion.
Congress designed the Clean Air Act to combat a variety of air pollution problems, and to tackle emerging pollution threats. <Learn more about CAA requirements and history> Role of Science and Technology. Under the Clean Air Act, health-based air quality standards are based on the latest science.
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.
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.
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.
The Clean Air Act of 1963 was the first federal legislation regarding air pollution control. It established a federal program within the U.S. Public Health Service and authorized research into techniques for monitoring and controlling air pollution.
To protect public health and welfare nationwide, the Clean Air Act requires EPA to establish national ambient air quality standards for certain common and widespread pollutants based on the latest science.
Pollution from vehicles, engines, and fuels dramatically reduced while achieving economic growth. Over forty years of clean air policies have improved air quality and improved the health of Americans, and the environment.