An explosive fire that ignited at a Martinez oil refinery and triggered shelter-in-place warnings spewed cancer-causing ...

Contra Costa County says a range of harmful chemicals were released, including some that pose risks for cancer and ...

Contra Costa County Health Officer Dr. Ori Tzvieli on Tuesday revealed how fortunate the Martinez community was on Feb. 1, ...

CONIFER, Colo. — Colorado’s newest fire department had its first significant test over the weekend as a wildfire broke out in ...