"A U.S. judge on Friday approved a deal between conservationists and Montana officials to restrict road-building and logging in roughly 22,000 acres (8,900 hectares) of state forest lands that make up core habitat for federally protected grizzlies."

"The Environmental Protection Agency said Wednesday it will set up a temporary treatment plant for wastewater flowing from the Gold King Mine in southwestern Colorado after 3 million gallons surged out of the mine in August, tainting rivers in three states."

"FORT BRIDGER, Wyo. — The sun was sinking and the brook trout were biting, so Andy Johnson and his daughter Aspen, 6, stepped onto their sun-bleached pier, hooked some mealworms and cast their lines into the most infamous pond in the West."

"Rescuers searched for a 6-year-old boy and a hiker missing on Wednesday after flash floods in southern Utah killed at least 18 people in a national park and a small town on the Arizona border."

"Retiring and replacing Montana’s Colstrip Generating Station, an important supplier to Puget Sound Energy, could be distressingly complicated and costly, public officials and energy executives are finding."

"An independent study of water quality in the Animas River after the Gold King Mine spill shows major human health concerns were short-lived, though slight spikes in pollution might occur with runoff."

"An internal investigation reveals regulators had wrongly assessed the water pressure built up inside the Gold King mine before releasing toxic wastewater".

"On a remote Utah ridge covered in sagebrush, pines and wild grasses, a Canadian company is about to embark on something never before done commercially in the United States: digging sticky, black, tar-soaked sand from the ground and extracting the petroleum."