pollution

Feds approved the state’s plan to regulate carbon capture projects.

Community members are concerned about toxic exposure to creosote, long used as a wood preservative. Residents estimate that around 200,000 ties have been piled up in their neighborhood.

Atrazine contamination is most widespread in the Midwest, but affected watersheds extend into Colorado and New Mexico.

Microplastic concentrations in Nevada’s Truckee River increased nearly tenfold during spring runoff, according to new research that offers a glimpse into how plastic pollution moves through some western waterways.

The ruling left many wetlands in streams vulnerable in the West, where waters can run dry for portions of the year but are still important for the overall ecosystem.

Environmental groups in New Mexico say those efforts are not enough.

People living near oil refineries can often see or smell signs of industrial pollution. Now, a new interactive map aims to help them better understand the potential health impacts associated with those facilities.

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.

The U.S. already has about 3,000 data centers — and that number is expected to grow quickly in the coming years. A new report finds much of that growth is shifting away from cities and into rural areas, including in 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.