Citing global warming, environmental groups are asking a federal judge to call a halt in Wyoming to one of the largest coal-mining plans ever approved by the U.S. government.
Selenium contamination from a phosphate mine in southeastern Idaho is linked to fish deformities such as two-headed trout, and the problem would worsen if discharge limits were eased, a new governm
Conservationists asked a federal court on Monday to stop wolf hunts under way in Idaho and Montana until judges rule on an appeal that seeks to restore federal protections to the animals in the two
The U.S. government has proposed lifting federal protection from wolves in the state of Wyoming which would allows unregulated killing of the animals in most of the state.
Conservation groups asked an appeals court on Monday to strike down a move by Congress to strip more than 1,500 wolves in Idaho and Montana of federal endangered species protections.
Exxon Mobil said on Friday that a pipeline that failed two weeks ago, leaking oil into the Yellowstone River, routinely transported a heavier and more toxic form of crude than the company and federal regulators initially acknowledged.
The Silvertip pipeline carries so-called tar sands crude from Alberta, Canada, as do the U.S.
Water downstream from a ruptured Exxon Mobil pipeline that leaked oil into the Yellowstone River showed no detectable levels of toxic petroleum chemicals, according to U.S.
The greatest threat to the northern spotted owl, an imperiled bird at the center of a decades-old environmental clash in the Pacific Northwest, is no longer the timber industry -- it's another owl.
The federal government says it plans to launch a program to kill or otherwise remove hundreds of barred owls -- originally from the East Coast -- that are overtaking the spotted owl's natural range i
