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  2. Clean Air Act (United States) - Wikipedia

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

    The Clean Air Act of 1963 (Pub. L. Tooltip Public Law (United States) 88–206) was the first federal legislation to permit the U.S. federal government to take direct action to control air pollution. It extended the 1955 research program, encouraged cooperative state, local, and federal action to reduce air pollution, appropriated $95 million ...

  3. Regulation of greenhouse gases under the Clean Air Act

    en.wikipedia.org/wiki/Regulation_of_greenhouse...

    Section 202(a)(1) of the Clean Air Act requires the Administrator of the EPA to establish standards "applicable to the emission of any air pollutant from…new motor vehicles or new motor vehicle engines, which in [her] judgment cause, or contribute to, air pollution which may reasonably be anticipated to endanger public health or welfare" (emphasis added). [3]

  4. Air pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_the...

    The Clean Air Act sets numerical limits on the concentrations of a basic group of air pollutants and provide reporting and enforcement mechanisms. The U.S. Environmental Protection Agency (EPA) is the federal agency responsible for creating and enforcing regulations that implement these laws. The effects of these laws have been very positive.

  5. Pollution prevention in the US - Wikipedia

    en.wikipedia.org/wiki/Pollution_prevention_in_the_US

    Pollution prevention (P2) is a strategy for reducing the amount of waste created and released into the environment, particularly by industrial facilities, agriculture, or consumers. Many large corporations view P2 as a method of improving the efficiency and profitability of production processes through waste reduction and technology ...

  6. National Ambient Air Quality Standards - Wikipedia

    en.wikipedia.org/wiki/National_Ambient_Air...

    National Ambient Air Quality Standards. The U.S. National Ambient Air Quality Standards (NAAQS, pronounced / ˈnæks / naks) are limits on atmospheric concentration of six pollutants that cause smog, acid rain, and other health hazards. [ 1 ] Established by the United States Environmental Protection Agency (EPA) under authority of the Clean Air ...

  7. Climate change policy of the United States - Wikipedia

    en.wikipedia.org/wiki/Climate_change_policy_of...

    The climate change policy of the United States has major impacts on global climate change and global climate change mitigation. This is because the United States is the second largest emitter of greenhouse gasses in the world after China, and is among the countries with the highest greenhouse gas emissions per person in the world.

  8. United States vehicle emission standards - Wikipedia

    en.wikipedia.org/wiki/United_States_vehicle...

    Two sets, or tiers, of emission standards for light-duty vehicles in the United States were defined as a result of the Clean Air Act Amendments of 1990. The Tier I standard was adopted in 1991 and was phased in from 1994 to 1997. Tier II standards were phased in from 2004 to 2009. Within the Tier II ranking, there is a subranking ranging from ...

  9. Environmental history of the United States - Wikipedia

    en.wikipedia.org/wiki/Environmental_history_of...

    The Clean Air Act set emission standards for stationary emitters of air pollutants and directed federal funding to air quality research. [113] In 1965, the act was amended by the Motor Vehicle Air Pollution Control Act , which directed the federal government to establish and enforce national standards for controlling the emission of pollutants ...