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

The proposed rejection doesn’t stop Colorado from enforcing the plan, but it signals the federal government no longer ...

An EPA ruling says Colorado can't require coal plant closures by a certain date, and some utilities may take advantage.

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

The Colorado Department of Labor and Energy reports that six coal-fired power plants remain operational throughout the state. All of them are set to close by the end of 2031. Seven coal mines remain ...

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 ...

Comanche’s 750-megawatt third unit in Pueblo is the one coal-fired unit that will be left operating in Colorado when the EPA’s new rule kicks in, requiring 90% capture of carbon emissions.

As Colorado’s governor pursues other means of reducing carbon emissions, the EPA’s Clean Power Plan remains stalled in the courts. Twenty-four states joined forces to sue the federal government in ...

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 ...

The EPA established national rules for coal ash management and disposal in April 2015, largely in response to a 2008 incident at the Kingston power plant in Roane County, Tenn.