"Interior Secretary Ken Salazar on Tuesday signed -- and hailed -- Utah’s latest natural-gas drilling plan as an environmentally sensitive leap toward energy security."

"The effects of global warming are making it more difficult for reservoir managers to control floods and manage flows for irrigation, recreation and fisheries."

"U.S. officials are expected Tuesday to approve a plan by Anadarko Petroleum Corp. to drill 3,700 natural-gas wells in eastern Utah, capping a yearslong review of a project that will be one of the largest in the region."

"With Asia's energy demands pulling more U.S. coal to West Coast ports, rail-line communities across Montana fear the effects: More train traffic, health problems, noise and congestion."

"BOISE, Idaho -- It takes a lot to shock and sicken seasoned wildlife advocates, but the deliberate torture and shooting of a trapped wolf in northern Idaho by an employee of the U.S. Forest Service has. The incident in mid-March has triggered calls for both federal and state investigations leading to dismissal of the employee involved."

"JEFFERSON COUNTY, Colo. -- Families driven from their homes by a fast-moving wall of fire Monday evening said they stayed longer than was safe because authorities told them that the smoke they were smelling was from a controlled burn that was being monitored."

"A proposed cleanup of Montana air pollution would force three industrial plants to spend $90 million on measures to improve visibility in some of the nation's prized public lands, including Yellowstone and Theodore Roosevelt National Parks."

"An energy company with oil and gas leases across much of the Blackfeet Indian Reservation’s western edge has suspended plans to drill a well near a culturally sacred ridge, halting the operation after tribal members voiced concern that it would spiritually denude the site."

"CHEYENNE, Wyo. -- The state of Wyoming, U.S. Environmental Protection Agency and two American Indian tribes announced Thursday they have agreed to additional testing of groundwater that the federal agency says may have become contaminated by gas development that includes hydraulic fracturing."