Rebecca Harbage

Three million gallons of partially treated wastewater has leaked into Warm Springs Creek. The spill happened during upgrades to the water treatment plant at the Montana State Hospital.

The State of Montana Friday redrafted several proposed regulations for the disposal of radioactive oil waste following widespread public concern. The...

Montana officials say a Navajo Nation company may continue operating a coal mine for two more months amid negotiations over the terms of a state permit.

Coal workers in Montana are out of a job until a Navajo-owned company and the state settle a dispute over the extent to which the Tribe is subject to...