On appeal, one judge didn't buy arguments that the technology to meet the new emissions standards just didn't exist yet.

Toxic chemicals from L.A.'s fires are going underreported and pose serious long-term risks, a group of lawmakers says. They ...

As hazardous chemicals pollute the air after devastating wildfires, officials call for increased monitoring to protect ...

The fires killed at least 27 people, triggered mass evacuations, blanketed the Los Angeles area in smoky smog and poor air quality, and sparked criticism over government preparedness. On Sunday ...

Or, finally, Los Angeles, this poorly constructed, poorly irrigated city, wedged between the wall of the Pacific and the Santa Monica mountains, drowned in this mixture of smoke and fog, that was ...