"An elemental phosphorus plant owned by the FMC Corp., on the Shoshone-Bannock homelands in Idaho, has been abandoned for more than a decade. But its legacy of pollution remains -- and it’s jeopardizing economic progress, public and environmental health on the reservation and in surrounding communities."

"Disaster teams in flood-ravaged foothills of Colorado narrowed their search on Friday for 82 people still unaccounted for a week and a half after torrential rains began, and officials said some of the missing would most likely be added to the death toll."

"Wildlife managers in Montana are trying to pinpoint whether a disease, environmental toxin or chemical agent has caused a die-off of more than 100 whitetail deer in wetlands along a river corridor in the western part of the state."

"Property losses from flooding in Colorado will total nearly $2 billion, about half from housing and half in the commercial and government sectors, catastrophe modeling firm Eqecat said on Wednesday in the first comprehensive estimate of the disaster's economic toll."

"Colorado's richest oil field -- the Denver-Julesburg Basin -- is buried in floodwaters, raising operational and environmental concerns, as state and industry officials work to get a handle on the problem."

"Search-and-rescue teams bolstered by National Guard troops fanned out across Colorado's flood-stricken landscape on Monday, as a week of torrential rains blamed for eight deaths and the destruction of at least 1,600 homes finally gave way to sunny skies."

"Record-shattering rainstorms across Colorado's Front Range led to flooding that blew out at least six dams Thursday, stranding a Larimer County family on the second floor of their home and breaching a federal stormwater holding pond northeast of Denver."

"Drop by drop by drop, historic rainfall across a 150-mile expanse of Colorado's Front Range turned neighborhood streams into rampaging torrents that claimed at least three lives and continued to flood homes and destroy roads into the night."

"Encounters between bears and humans are likely to increase in Yellowstone National Park this fall as a scarce supply of nuts forces hungry grizzlies to seek food closer to the U.S. park's popular tourist areas, officials warned on Wednesday."

"The death threat itself didn’t bother Mike Ehlebracht. He’d been threatened plenty of times before."

"In the reality TV series 'Prospectors,' gem hunters on a peak in central Colorado face the dangers of high-altitude lightning, rock falls, cave-ins and whiteouts while digging for valuable rocks 'just like their predecessors 150 years ago.'"

"SALMON, Idaho -- Firefighters mounted on Sunday an all-out ground and air attack on an Idaho wildfire that has forced the evacuation of some 2,250 homes and threatened the world-class ski resort of Sun Valley, where snow-making water cannons were used to keep the flames at bay."

"DENVER -- Colorado regulators looking at new air quality rules for oil and gas drillers are getting more time to set the rules."

"The Environmental Protection Agency is proposing to let oil companies continue to dump polluted wastewater on the Wind River Reservation in Wyoming. This includes chemicals that companies add to the wells during hydraulic fracturing, an engineering practice that makes wells produce more oil."

"If you doubt that climate change is transforming the American landscape, go to Santa Fe, New Mexico. Sweltering temperatures there have broken records this summer, and a seemingly permanent orange haze of smoke hangs in the air from multiple wildfires."