A Silver Alert is in effect Wednesday in Los Angeles, San Bernardino, Riverside, Inyo and Kern counties on behalf of an ...

The California Air Resources Board recently launched a first-of-its-kind program to gather hyper-local air pollution data ...

California is suing to reverse what it says is an unlawful termination of a grant program that’s been used to mitigate the impacts of natural disasters nationwide.

Newly released emails in the aftermath of January's wildfires show how many California residents were confused about which ...

Google’s Android Earthquake Alerts program is a globe-spanning earthquake early-warning system that uses billions of phone ...

Waves were reported along a wide swath of the Northern California coast, including in San Francisco. The rest of the state ...