With natural gas remaking the energy landscape, here's Colorado's remaining coal-fired power plants in one map.
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“Regrettably, Boulder County’s open defiance of State law has made legal action the final recourse available to the State,” the office of the Attorney General said in a statement.
In 2012, 7.65 percent of proposed facilities had eight or more wells. In 2016, the share jumped to 43 percent.
The state health department will use comprehensive air quality data collected by Colorado State University.
Nine western states including Colorado could be affected by Rep. Jason Chaffetz’s Disposal of Excess Federal Lands Act.
Earlier this week, the Trump administration ordered a temporary suspension of EPA contracts and grants. The agencies are sorting through what that means.
2016 was the hottest year on record since scientists began tracking global temperatures in 1880. In Colorado, it was the 5th hottest year on record.
Wild Earth Guardians alleges the the state's plan violates the Colorado constitution.
The Colowyo Mine will now extract coal in territory to the north in the Collom development.
The president-elect's nomination of former Texas Gov. Rick Perry to lead the U.S. Department of Energy has raised concerns among clean energy advocates.
President Barack Obama pushed for a more forceful approach in areas like climate change and renewables, but the Trump administration could undo much of his work.
The council voted 5-4 to push the vote on Broomfield's proposed moratorium and resume the meeting on Feb. 28.
The state senate's Select Committee on Energy and the Environment was created to respond to President-elect Donald Trump's plans to reverse many of President Obama's policies.
Pitkin County commissioners voted 3-2 to oppose Aspen’s move to renew conditional water rights tied to two potential dams and reservoirs.
A group of ranchers near Kremmling will move forward with an ambitious plan to rehabilitate about 12 miles of the river.