The Denver Zoo celebrated International Polar Bear Day with a special treat for its featured wildlife.
A University of Colorado environmental studies professor says he’s the target of a congressional “witch hunt” because he expressed doubt about whether climate change is making natural disasters worse.
The move to veto showcases the Obama administration’s focus on climate change and sheds light on the growing concerns over fracking.
Many parts of the U.S. have already broken records for snowfall and below zero temperatures while other parts have seen unseasonably warm temperatures.
Defying the Republican-run Congress, President Barack Obama rejected a bill Tuesday to approve construction of the Keystone XL oil pipeline, wielding his veto power for only the third time in his presidency.
As bad as recent droughts in California, the Southwest and the Midwest have been, scientists say far worse “megadroughts” are coming — and they’re bound to last for decades.
As a nor’easter prepares to pummel the Northeast, environmentalists have turned to climate change to explain this season’s storms.
Let’s check some of the claims about the pipeline as a bill approving it heads toward likely passage by the Republican-led Senate and a veto by President Barack Obama.
Aspen is at the center of the conversation regarding climate change, with a visit from the head of the U.S. Environmental Protection Agency.
The head of the Environmental Protection Agency is drawing attention to the link between climate and the economy with a visit to a Colorado ski resort.