The calls came during a public hearing on the agency's plan to strengthen limits on releases for smog-forming nitrogen oxides ...

Western lawmakers growled, environmentalists applauded, and the federal agency braced for more wrangling of the kind that has ...

Water quality standards are a major tool for keeping pollution out of rivers, streams and lakes and ensuring water is safe ...

A BLM spokesperson confirmed Wednesday that Stone-Manning’s last day will be Monday, concluding a more than three-year tenure ...

The Department of Defense added Contemporary Amperex Technology Co., or CATL, to a list of "Chinese military companies." The ...

The Fish and Wildlife Service listed the grizzly bear population in all of the lower 48 states as threatened in 1975.

The leader of an industry-backed fishermen's group hailed the Maine-based federal court ruling as “a partial victory against ...

The agency would fully clean up two of the more than 500 abandoned uranium mines on tribal lands in New Mexico.

The five-year review made public Monday is the second to be completed for the golden-cheeked warbler since it was listed as ...

The president-elect has long begrudged efforts to protect the delta smelt, siding with critics who argue that water flows ...

The agency's air chief blasted a watchdog’s findings that he violated federal ethics rules for involvement in regulations ...

The federal advisory board will offer advice for how the Department of Defense can counter China's grip on raw materials ...