PFAs are found in some non-stick coatings, including from a firefighting foam used by the Peterson Air Force Base.
Energy and Environment
All Energy and Environment Stories
Businesses nationwide responded to the preferences of customers and investors alike by spending more on renewable energy.
The data available for injuries or fatalities resulting from outdoor recreation activities is scant compared to that of sports.
Kate Greenberg is the first woman to hold the post of Colorado Commissioner of Agriculture.
The 75-year-old Gian-Franco Kasper spoke of "so-called climate change" and said he would rather deal with dictators than argue with environmentalists.
And if you do encounter a cougar on the trail, remember to maintain eye contact, move slowly and make yourself look as large as possible.
Visitors left behind human waste and trash, graffiti'd a Joshua tree and created unauthorized trails with off-road vehicles.
The Colorado Office of Tourism is cracking down on bad behavior in a new campaign, "Care For Colorado."
The Conservation in the West poll found that respondents opposed Trump policies that shrink national monuments or promote oil and gas development.
In Denver for the annual Outdoor Retailer and Snow Show, outdoor retail companies and other outdoor industry leaders are banding together in a bid to protect public lands and the climate.
More than 50 parcels in New Mexico and Oklahoma will be up for bid including nine parcels near Chaco Culture National Historical Park.
The drought plan requires Arizona to find a way to reduce its use of Colorado River water by up to 700,000 acre-feet — more than twice Nevada's yearly allocation under the drought plan.
Climate change and deforestation are the leading causes responsible.
Our Children's Trust, which supported the young plaintiffs in the case, said it was disappointed that the Supreme Court would not reconsider nor explain why.