With the fate of EPA regulations uncertain, advocates say local environmental protection efforts, like a community air ...

High caution readings were found on 23 days last summer with only four corresponding with sewer system overflows, water ...

Many power plants benefiting from exemptions rank among the nation’s worst polluters. The Trump administration says cheaper energy is the goal.

Community groups are fighting an unusual Louisiana law that restricts how they use data from air-quality monitors, saying it ...

TUCSON, Ariz. (13 News) - On Wednesday, southern Arizona had one of its first ozone alerts of the year. It will be just one of many in the coming months. The beginning of April is normally the start ...

Personal exposure to nitrogen dioxide and the oxidative potential of fine particulate matter (PM2.5), but not PM2.5 mass, ...

A coalition of Louisiana environmental groups is suing the state over a law they say violates their free speech rights by ...

As humans continue to pump more gases into the atmosphere, you've probably seen air quality alerts more often, but what does ...

The Los Angeles region has some of the most polluted air in the United States, failing to meet standards set by the ...

Clean air in the home can protect you from carcinogens, allergens, and harmful particulates. Even if you don’t suspect a ...