LOS ANGELES (KTLA) – As a severe thunderstorm and strong winds pounded Los Angeles Thursday, a group of photojournalists ...

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

The state will no longer require some truckers to shift away from diesel semis but hopes that subsidies can keep dreams of ...

A reopened New York institution, an enduring Los Angeles museum and much more bring us spring’s must-see exhibitions.

Despite making nice on his recent visit to see Los Angeles fire damage, the president’s years-long battles with state ...

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 ...

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 ...

Congressional review of California car and truck standards waivers approved by the Biden administration appears set to ...

LOS ANGELES — Under a layer of smog that served as a reminder of last month’s deadly wildfires, the 2025 Grammy Awards aimed to be a beacon for a city that is reeling from the historic destruction.

Diesel fumes also contain other pollutants like nitrogen oxide, which contribute to urban smog. The Los Angeles area consistently ranks No. 1 in the country in ozone pollution in the American Lung ...

Toxics in the air from urban wildfires may include dioxins, asbestos, and lead. But testing, until recently, for these air ...