While federal prosecutors initially said they wouldn’t seek the death penalty against Chelsea Perkins, 19 News Investigator ...

Penn State study finds that 59% of U.S. counties lack air quality monitoring. These “monitoring deserts” put over 50 million people at risk.

In the Bay, travelers wishing for unimpeded views of the heavens can try out the Napa Valley Wine Train, with its sky-facing ...

Death Valley is the hottest, driest and lowest national park in the US – and arguably the most visually arresting.

Traditional regulatory approaches to analyzing health impacts from air pollution consider each chemical individually, rather ...

The country’s only fully operational lithium mine had an air pollution problem, Nevada regulators found.