Rocky Mountain Power announced last week that it’s cancelling the retirements of its Wyoming coal-fired power plants. But ...

The Port of Seattle’s Sustainable Airport Master Plan (SAMP), a proposal to expand Sea-Tac Airport with 31 construction ...

The reality is that things have gotten much worse since then,” she said. “Absence of evidence is not evidence of absence.” ...

Uranium mine waste northeast of Gallup is a step closer to being safely stored after the Environmental Protection Agency and ...

Carlos Evans, Dallas' environmental office director, is leaving the city. Some advocates want City Hall to move fast to ...

Climate change has played a major role in the unprecedented wildfires that are raging through Southern California, research shows.

The Ohio Supreme Court has heard arguments in a long-running public records dispute involving state Attorney General Dave Yost and a watchdog group.

Today, the Community Foundation for Southern Arizona (CFSA) and its grantmaking partners announced the launch of the ...

Washington state disclosed its impact on the global climate on Monday, two years later than required by state law.

The EPA will begin work to remove more than 1 million cubic yards of radioactive waste from sites on the Navajo Nation.

Much of the old-growth forest left on public land in the eastern United States can be found in the Blue Ridge Mountains, and ...