The EPA published a notice in the Federal Register that it intends to deny Colorado’s plan to shutter coal-fired power plants ...

Environmentalists lamented the agency’s decision, but Colorado officials said it would have little impact on its planned ...

Trump is challenging Colorado’s plan to shutter coal-fired power plants, showing a rift between federal and state priorities.

Mexico president says 14 Mexicans held in US detention center 'Alligator Alcatraz' ...

Colorado may be buffered from Supreme Court's EPA decision 02:21. In this day and age of climate change, a major blow has been struck against the U.S. agency whose very name says its job is to ...

The Environmental Protection Agency (EPA) announced Monday a settlement reached with Public Service Company of Colorado (PSCo) that will result in a $925,000 fine and requirements for increased ...

Battle lines have been drawn in a fight between oil-producing red states and environmentally-driven blue states over a new regulation by the Environmental Protection Agency. Critics say it is an ...

This story was updated at 6:25 p.m. EDT. EPA says a state-approved air permit for Colorado’s largest coal mine doesn’t fully comply with the Clean Air Act and regulators there must fix ...