In annual reports sent to Dark Sky International, Utah’s national and state parks list light pollution from development and tourism as the main threat to maintaining their certification.

Fifteen years after the EPA said greenhouse gasses are a danger to public health, the agency finalized rules to limit climate-warming pollution from existing coal and new gas power plants.

Roughly half a million dairy calves were transported from seven states in the upper U.S. to calf-rearing operations in New Mexico, Arizona, and Texas in 2022, according to an investigation conducted by the Animal Welfare Institute (AWI), creating potential health risks for animals and people.

The long-anticipated rail line aims to hit 200 miles per hour on the track and connect riders from Southern California to Las Vegas in about two hours, less than half the time it takes to drive. Brightline West is the private company behind the project.

Researchers have found the sound that soot makes under bright light can be used to assess the impact of wildfires.

A coalition of Western conservationists and tribes are working to protect more public lands before the November presidential election.