In a Sept. 26 letter, the EPA informed the Navy it "retains ultimate responsibility" to address the forever chemicals, or PFAS, left behind by the former military operation and those in the toxic ...

The EPA said the facilities will treat groundwater in a part of the San Fernando Valley Superfund site, enabling the LADWP to ...

The decision comes after a ProPublica investigation revealed that the EPA had found that one of the fuels had a cancer risk ...

Most of the revisions to the permit for Suncor’s Plant 2 were highly technical, and none change the amount of pollution ...

EPA is advancing two Clean Air Act rules intended to cut emissions from new natural gas-fired power plant turbines and ...

A federal judge in California has ordered the U.S. Environmental Protection Agency to strengthen regulations for fluoride in ...

The assessment of a lung-chafing compound that is the main ingredient in smog carries major implications for industry.

PHOENIX — The city of Tolleson finalized a settlement with the U.S. Environmental Protection Agency (EPA) after it was ...

A federal judge has ordered the U.S. Environmental Protection Agency to further regulate fluoride in drinking water because ...

A federal judge ruled on Tuesday that the EPA must take steps to lower the potential risk of fluoride causing lower IQs in ...

Officials from the regional and national offices of the Environmental Protection Agency visited the Southern Ute Indian ...

In a recent court filing, the federal agency said it “has substantial concerns” that the approval order “may have been made ...