Since the end of the 20th century, air pollution from most U.S. sources has decreased, but emissions from wildland fires have ...

A new report shows that some of the nation's most polluted cities are in Southern California, four of which call the Inland ...

Mass firings and regulatory rollbacks come as scientists routinely determine pollution is far more damaging than previously ...

The move will give state regulators more time to develop a plan to improve air quality in metro Denver and the region, and to ...

President Trump's EPA administrator aims to roll back environmental protections in an effort to reduce the agency's spending.

The dirtiest coal-fired power plant in the US is asking Donald Trump for a waiver from pollution mandates, taking up the ...

The Donald Trump administration has allowed fossil fuel companies to bypass air pollution regulations by emailing the US ...

The Phoenix metro area is experiencing worsening air quality due to high ozone levels ... "It would be devastating for us." ...

Referring to a little-known provision, it said power plants and others could write to seek exemptions to mercury and other ...

Fossil fuels drive climate change, pollution, disease, species loss, and injustice. A review urges governments to stop fossil ...

For a quarter of a century, a Black neighborhood in Beaumont, Texas, where Chris Jones lives has been the subject of two ...