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  2. Tucsonians for a Clean Environment - Wikipedia

    en.wikipedia.org/wiki/Tucsonians_for_a_Clean...

    Davis Monthan Air Force Base's main entrance sign. Tucsonians for a Clean Environment (TCE) is an environmental activism group that was founded in 1985 on the predominantly Latino south side of Tucson, Arizona. Residents of the area sought to bring attention to illnesses linked to contaminated groundwater near Davis Monthan Air Force Base.

  3. List of least-polluted cities by particulate matter concentration

    en.wikipedia.org/wiki/List_of_least-polluted...

    For instance, some places like Africa and South America lack air pollution reporting tools, so their pollution levels are probably not reflected in this list. Moreover, many cities from a certain country are featured in the list may only mean that they have large and wide air pollution monitoring networks, which may or may not be an indicator ...

  4. Tucson, Arizona - Wikipedia

    en.wikipedia.org/wiki/Tucson,_Arizona

    The air pollution generated has raised some concerns as the Sundt operating station has been online since 1962 and is exempt from many pollution standards and controls due to its age. [170] Solar has been gaining ground in Tucson with its ideal over 300 days of sunshine climate.

  5. Risks from ash and air pollution remain for people returning ...

    www.aol.com/risks-ash-air-pollution-remain...

    The American Lung Association’s State of the Air report for 2024 listed the Los Angeles area as one of the top 10 cities polluted by year-round particle pollution. It’s been No. 1 for ozone ...

  6. List of most-polluted cities by particulate matter concentration

    en.wikipedia.org/wiki/List_of_most-polluted...

    The January 2024 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 5,390 towns and cities in 63 countries. Air quality in the database is represented by the annual mean concentration of particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 micrometers, respectively). [1 ...

  7. Rosemont Copper - Wikipedia

    en.wikipedia.org/wiki/Rosemont_Copper

    Air Quality Permit [35] regulates pollutants to ensure that these emissions do not harm public health or cause significant deterioration in areas that presently have clean air. [ 36 ] Groundwater Withdrawal Permit [ 37 ] is a right to use non-irrigation withdrawals of groundwater equal to the maximum groundwater withdrawal and use for any one ...

  8. Air pollution in the United States - Wikipedia

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

    Looking down from the Hollywood Hills, with Griffith Observatory on the hill in the foreground, air pollution is visible in downtown Los Angeles on a late afternoon.. Air pollution is the introduction of chemicals, particulate matter, or biological materials into the atmosphere that cause harm or discomfort to humans or other living organisms, or damage ecosystems.

  9. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Air pollution can occur naturally or be caused by human activities. [4] Air pollution causes around 7 or 8 million deaths each year. [5] [6] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.