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 debris and pollution from the recent L.A. fires will eventually make their way to the ocean — and scientists will be ...

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

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

The L.A. wildfires look eerily like works of art by Alex Schaefer, Ed Ruscha, Francesca Gabbiani, John Knuth and others.

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 ...