LOS ANGELES COUNTY, Calif. - In Altadena, crews are working nonstop to clear out the mess left behind by the devastating Eaton Fire. That includes Environmental Protection Agency contractors who are ...

As more than 6,000 students return to Pasadena schools, the district releases environmental test results. Are the schools ...

Researchers contributing to the ASCENT network of air quality sensors observed spikes in lead and chlorine downwind from the ...

The data set: The data are collected as part of the Atmospheric Science and Measurement Network (ASCENT for short), which monitors air quality at sites across the country. You can see the data set for ...

The phrase “urban firestorm” has terrified me since I first heard it, from the climate scientist Daniel Swain, who was ...

According to a 12 News crew, the house’s windows were smashed, and parts of the metal roof were hanging over the front of the ...

Now harmful chemicals, which may include asbestos, lead, mercury and other heavy metals, are present in the ash that blankets ...

Residents anxious to see what had become of their properties after the Palisades Fire ignited on Jan. 7 waited in their cars for hours Tuesday to return to their neighborhoods after officials lifted ...

In the wake of the Palisades and Eaton fires, concerns about air quality across the county have been on the rise.

A line of vehicles stretching two or three miles snaked along PCH Tuesday as motorists inched into a parking lot for permits ...