Seattle’s reputation for being clean and green took a little bit of a hit in the latest American Lung Association “State of ...

California is known for many natural wonders, but one of the most magnificent is the Californian redwoods. These trees are ...

Researchers in PSU's Global Environmental Change lab mapped annual changes in the extent of live tree cover up to three years ...

Across the western U.S., wildfires are becoming larger and more severe—and even trees that initially survive are dying in ...

A new air quality report from the American Lung Association reminds us not only how bad 2022 was, but that wildfires are now ...