"Two anti-fracking initiatives did not get enough valid signatures to qualify for the November ballot, Colorado officials announced on Monday, giving the oil and gas industry its latest victory over communities seeking to exert local control over fracking."

"Populations of a rabbit-like animal known as the American pika are vanishing in many mountainous areas of the West as climate change alters its habitat, according to findings released Thursday by the U.S. Geological Survey."

"In an unprecedented move, Montana Fish, Wildlife and Parks is closing 183 miles of the Yellowstone River from Gardiner to Laurel to all water-based recreation — fishing, wading, floating, tubing, boating."

"A puzzling concentration of the greenhouse gas methane over the Southwestern United States appears to come mostly from leaks in natural gas production, scientists said Monday."

"The Nevada Supreme Court upheld a lower court decision on [August 4] that blocks constituents from voting to restore favorable rates to rooftop solar customers. The decision puts increased pressure on lawmakers to implement a policy change during the next legislative session."

"In an effort to halt the advance of the oil industry in Colorado, environmental activists said they submitted enough signatures on Monday to place on November’s ballot two initiatives aimed at severely limiting hydraulic fracturing."

"HUGO, Colo. — Officials told residents of a small Colorado town not to shower or drink tap water Thursday because wells have been contaminated with marijuana's intoxicating chemical."

"Battle lines over a proposed Bears Ears monument are blurred, dividing tribes and towns."

"Energy companies in Colorado are spending millions of dollars to derail a push by environmentalists to put measures on November's ballot that would stifle oil and gas drilling in the state, according to a Reuters review of campaign finance records.

Environmental groups are now gathering signatures for two statewide initiatives that would transfer regulatory control of oil and gas development to local governments and create more stringent setback requirements to keep oil and gas activities away from occupied structures.

"SALT LAKE CITY, Utah -- For a long time, the lake that lends its name to this city was taken for granted by most here and treated as a sewer by some of the nation's biggest polluters."