pollution

A new report shows the rate of spills from oil and gas drilling is dropping in the Mountain West region’s top fossil fuel-producing states.

A new report from the American Lung Association shows cities across the Western U.S. have some of the most polluted air in the country. But that’s not the case everywhere in the Mountain West.

A new report shows air pollution is affecting most national parks across the U.S., including parts of the Mountain West.

Microplastics have become all too familiar in oceans and beaches. But they’re becoming more and more common on snow-covered mountains, due to winter recreation.

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 analysis of air pollution across the country reveals a wide range throughout the Mountain West.

Tribes in the Mountain West reached resolutions in two long standing environmental disputes this week. The victories for the Shoshone-Bannock Tribes and...

A new study has found that long-term air pollution increases COVID-19 mortality rates.

Some of the nation's top polluters are now running on the honor system after the Environmental Protection Agency last week announced relaxed enforcement...