WildEarth Guardians sued the companies over alleged violations of the Clean Air Act and emissions of volatile organic compounds.

WildEarth Guardians sued the companies over alleged violations of the Clean Air Act and emissions of volatile organic compounds.

Hudbay Minerals Inc. still needs to complete a final feasibility study and find a financial partner before work begins on the $1.3 billion project in the Santa Rita Mountains.

The fate of the Quality Inn in the Sumner neighborhood is up in the air after three people died in three separate shootings ...

As we welcome the new year, Planet Duct is kicking off 2025 with a focus on improving indoor air quality for homes and businesses. Brandon Kirk, the owner of Planet Duct, ...

What happens outdoors can sometimes seep indoors. The EPA lists outdoor pollution as a potential indoor problem.

With just patches of snow on the San Francisco Peaks, the only snow in the forecast is thanks to snowmaking machines on the ski slopes. Phoenix is also experiencing one of its longest dry spells on ...

San Joaquin Valley farmers are banned from burning agricultural waste in the field, a legislative mandate that has been ...

SAN JOAQUIN COUNTY, Calif. — With the new year, comes more rules in California. Open burning is no longer allowed at the ...

Air quality officials extended a residential No-Burn Day alert for all those living in the South Coast Air Basin. The alert is now slated to expire on Friday, Jan.3, at 11:59 p.m. Areas impacted ...

An air quality alert was issued on Thursday at 1:39 p.m. in effect until Friday at 1:45 p.m. The alert is for San Bernardino ...