An analysis of data from 1999 through 2023 shows 93% of parks and wilderness areas saw improved air quality on clear days.

Death Valley's night skies are so clear of light pollution that the International Dark-Sky Alliance awarded Death Valley National Park its coveted "Gold Tier," the highest classification for dark ...

Conservation and public-health groups sued Environmental Protection Agency Administrator Lee Zeldin today for his failure to take action to reduce smog pollution in the Phoenix metro area and Mariposa ...

During a hike in the Great Smoky Mountains National Park in 1995, Don Barger climbed Chilhowee Mountain hoping to gaze across ...

Are you looking for the perfect Death Valley Itinerary? I’ve been planning a Death Valley itinerary for a long time, but ...

Throughout the year, the sand dunes remain one of the most popular stops in Death Valley National Park. It's not uncommon to ...

“Compared to previous days, both pollution levels and ... are blamed for the deteriorating air quality in the Valley. Hundreds of wildfires raged across the country for the past several weeks. The ...

The first death occurred Friday ... In 1950, President Harry Truman convened the first national air pollution conference, citing Donora as an example of the need. By present standards, its ...

The national study ... the highest levels of air pollution.” The state’s network includes monitoring at Hawthorne Elementary in Salt Lake City, at DEQ’s agency headquarters on North Temple near I-215, ...

Natural Tunnel State Park represents Virginia at its most geologically spectacular yet remains surprisingly under-visited ...