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State health inspectors equipped with infrared cameras dropped in unannounced on about 2,000 oil and gas operations across Colorado last year and found…

The push is a response to the millions of dollars awarded to five groups of farm neighbors in North Carolina who sued a subsidiary of pork giant Smithfield Foods over water and air pollution.

Just keep breathin' and breathin' and breathin' and breathin'...

A study ties an estimated 4,300 premature deaths a year to the air pollution caused by corn production in the U.S. In some regions, the per-bushel health costs exceed the corn's market price.

Some panel members said they don't agree that breathing sooty air can cause premature death. The panel's draft recommendations to the EPA would change how it assesses the dangers of air pollution.

Wildfire smoke reached dangerous levels across the Mountain West Monday. Eastern Washington had the worst air in the country and all 56 counties in...

With its breathtaking views, the Mountain West has long been a destination for weddings. But now, some wedding industry workers are seeing fewer couples...

We want to hear YOUR questions about wildfire. Click here to submit your question to the Wanna Know Idaho podcast. Fires across the West are creating a...

Colorado got mixed reviews for its air pollution in the American Lung Association’s 2018 Air Quality Report.Denver and Fort Collins both made the top 25…

Across the county, in areas like north Texas, western Pennsylvania and in the suburbs and towns north of Denver, communities are becoming industrialized,…