Brewery waste, fed at the right time at the right dosage to a wastewater treatment plant's bacteria, can be used to treat water. One Montana town is doing just that.
A prolific two weeks of avalanches in Western states closed major highways and ski resorts. It's putting pressure on avalanche forecasters and safety crews as mountains see larger-than-usual crowds.
The Trump administration wants to defang the National Environmental Policy Act. At a public hearing in Denver, the law's defenders faced off with federal officials and business interests.
In November, Coloradans are set to vote on whether to return wolves to the state. The ballot initiative may be the first time voters in any state could force reintroduction of an endangered species.
Some Democratic presidential candidates want to ban fracking to help address climate change. That attracts young people, but may alienate swing voters in key oil and gas states like Pennsylvania.
A company in northern Minnesota wants to build an underground copper mine near a federally protected wilderness with crystal clear drinking water. Which jobs are more key: mining or tourism?
The government is calling on a New York federal judge to dismiss lawsuits alleging the group was formed illegally. But animal rights advocates want a ruling.
Rising temperatures are forcing some Alaska Native villages to consider relocating to higher ground. Climate change is also complicating an accurate count for the 2020 census more complicated.
The Trump administration opened lands within the former bounds of two Obama-designated National Monuments for resource extraction, but with low demand and high costs, industry is staying away for now.