Air quality across parts of California is deteriorating to hazardous levels as strong winds drive rapid wildfire spread and stir up heavy dust.

The former commissioner of the Los Angeles Board of Water and Power blamed the city’s old infrastructure for the poor ...

A rigorous nine-year research review looking at the relationship between fluoride and intelligence in children concludes that ...

Baby food labels will disclose levels of lead and other toxic heavy metals via QR codes, thanks to a California law taking ...