Colorado River water supports about 40 million people and millions of acres of farmland in the U.S. and Mexico.
Energy and Environment
All Energy and Environment Stories
The rural electricity provider in Colorado coal country is parting ways because Tri State is too closely tied to fossil fuels.
The Interior Department plans to ease restrictions on oil and natural gas drilling and other activities across millions of acres in the American West.
Colorado Oil and Gas Conservation Commission is considering a 1,000-foot drilling setback from school property, including outdoor spaces like sports fields.
World carbon dioxide emissions are estimated to have risen 2.7 percent from 2017 to 2018.
A new study from the Environmental Protection Agency found fish and other aquatic life in the are are not suffering severe or long-lasting damage.
Colorado Parks and Wildlife are stocking Gunnison River rainbow trout in the Arkansas River near Salida in hopes of recreating natural reproduction there.
The goats are reproducing rapidly. Now might be the best time to reduce or eliminate the animals before they’re too numerous to bring under control.
The utility’s new goal is good news for Gov.-elect Jared Polis, who pledged a 100 percent renewable energy goal as part of his campaign.
The investigation into the cause of the fire has been completed, but an outside probe is being conducted to vet the results before release.
Like his boss, Bernhardt's position hasn't come with controversy or conflicts of interest.
General William Jackson Palmer's trash has become researchers' treasure as they sift through a Garden of the Gods dig site.
Paul Bodnar helped negotiate the Paris Climate Agreement under the Obama administration. Now the Trump administration plans to withdraw.