EPA

The Environmental Protection Agency is proposing to roll back federal coal ash cleanup rules, raising concerns about groundwater contamination at dozens of coal plants and waste dumps across the Mountain West.

A coalition of environmental groups is suing the Environmental Protection Agency, alleging the agency missed a key deadline tied to a stricter national standard for soot pollution. The case could affect air quality protections across the Mountain West.

A new report shows America’s water systems need more than a trillion dollars in upgrades in the coming decades. In the West, states are dealing with shrinking reservoirs, worsening drought, and a lack of data to plan for the future.

Landfills are the nation’s third-largest source of methane, behind agriculture and fossil fuels. And a new study shows many landfills, including those in the Mountain West, are polluting the air even more than they are reporting.

For the first time, the federal government is putting limits on “forever chemicals” called PFAS in the nation’s drinking water – a move that will protect communities across the Mountain West.

State legislators held a press conference on Wednesday alongside public health experts to encourage public support for the adoption of strong clean car standards.

The U.S. Supreme Court recently sided with a couple battling federal officials over plans to build a house on a wetland in northern Idaho. Some call the ruling a victory for property rights, but its consequences extend to wetlands and waterways nationwide.

A new rule issued by the Environmental Protection Agency aims to reduce pollution from coal-burning power plants and factories in nearly two dozen states. That’s to improve the air quality for people living downwind – an issue in the Mountain West.

New research from the University of Colorado Boulder shows a concerning link between air pollution and brain development.

A new study shows that eating a single serving of freshwater fish in the U.S. can be equal to drinking a month’s worth of water laced with “forever chemicals.”