"Federal wildlife managers on Friday declined to upgrade protections for a population of grizzly bears in the remote reaches of Idaho and northwest Montana that numbers fewer than 50, and which conservationists say are going extinct."

"Nearly 140 bison originally from Yellowstone National Park that were quarantined on a ranch owned by media mogul Ted Turner to create a herd free of a cattle disease will be transported late on Wednesday to an Indian reservation in Montana."

"BUTTE — The number 5,410 has special meaning to Butte. It’s the critical water level – 5,410 feet above sea level – of the Berkeley Pit. The water in the pit must be kept below that elevation or risk contaminating Silver Bow Creek."

"YELLOWSTONE NATIONAL PARK – If you've hiked in the Northern Rockies above 9,000 feet, you've hiked among a whitebark pine forest."

"Wyoming wolves are back under federal projection after a ruling Tuesday by a federal judge in Washington, D.C."

"An oil boom in Wyoming is having a filthy side effect. A string of accidents, ranging in geography from a remote gulley in the Powder River Basin to a refinery in downtown Cheyenne, already has made this year the state's worst for oil spills since at least 2009, state records show."

"Described as a historic package of Northern Nevada lands bills — six introduced by Congressman Mark Amodei and one by Rep. Steven Horsford — will be up for final passage in the House as a bipartisan suspension bill on Monday, Sept. 15."

"The U.S. Environmental Protection Agency approved an aquifer exemption for a coal gasification pilot project in Campbell County [Wyoming] this week, drawing criticism from landowners worried that the facility could contaminate a potential source of drinking water."