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  2. United States vehicle emission standards - Wikipedia

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

    The Clean Air Act of 1963 (CAA) was passed as an extension of the Air Pollution Control Act of 1955, encouraging the federal government via the United States Public Health Service under the then-Department of Health, Education, and Welfare (HEW) to encourage research and development towards reducing pollution and working with states to establish their own emission reduction programs.

  3. Illinois Environmental Protection Agency - Wikipedia

    en.wikipedia.org/wiki/Illinois_Environmental...

    The Illinois EPA was established in July 1970, shortly after the first Earth Day. Governor Richard Ogilvie signed into law the Illinois Environmental Protection Act (PA 76-2429), which became effective on July 1, 1970, and created the Illinois EPA. Illinois was the first US state with a comprehensive environmental protection act.

  4. List of Illinois area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Illinois_area_codes

    This is a list of the area codes in the state of Illinois and its numbering plan areas in the North American Numbering Plan.. All NPAs within Illinois. 217/447: Central Illinois, including the region running west from the Illinois-Indiana border through Danville, Effingham, Champaign–Urbana, Decatur, Springfield, Quincy until Illinois' western border with Missouri and Iowa.

  5. List of U.S. states and territories by carbon dioxide emissions

    en.wikipedia.org/wiki/List_of_U.S._states_and...

    This is a list of U.S. states and territories by carbon dioxide emissions for energy use, [1][2] as well as per capita [3][4] and by area. [5] The state with the highest total carbon dioxide emissions is Texas and the lowest is Vermont. The state with the highest per capita carbon dioxide emissions is Wyoming and the lowest is New York.

  6. Illinois Pollution Control Board - Wikipedia

    en.wikipedia.org/wiki/Illinois_Pollution_Control...

    The Illinois Pollution Control Board (PCB) is a State of Illinois governing panel that is staffed in the state capital of Springfield, Illinois. Its duty is to development environmental rules and standards for Illinois, adjudicate complaints alleging violations of the Illinois Environmental Protection Act, and provides a forum of administrative law to appeal enforcement actions of Illinois ...

  7. Emission inventory - Wikipedia

    en.wikipedia.org/wiki/Emission_inventory

    An emission inventory (or emissions inventory [1]) is an accounting of the amount of pollutants discharged into the atmosphere.An emission inventory usually contains the total emissions for one or more specific greenhouse gases or air pollutants, originating from all source categories in a certain geographical area and within a specified time span, usually a specific year.

  8. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    e. Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. [ 1 ] It is also the contamination of the indoor or outdoor environment either by chemical, physical, or biological ...

  9. Air pollution in the United States - Wikipedia

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

    Anthropogenic air pollution has affected the United States since the beginning of the Industrial Revolution. [2] According to a 2024 report: "39% of people living in America—131.2 million people—still live in places with failing grades for unhealthy levels of ozone or particle pollution."