Traffic congestion has been linked with higher levels of air pollution, which has been found to significantly affect health.

The Waterkeeper Alliance found multiple types of PFAS in samples it collected. The organization is urging lawmakers to act in response.

There’s similar good news from the Palisades: Almost every day this week, the 20 monitors around the Westside showed mostly ...

Southland residents are being asked to take precautions after health officials found mosquito samples testing positive for ...

Water bills are climbing as utilities clean up a chemical made infamous in “Erin Brockovich.” Lawmakers could give water ...

More than 400 guinea pigs were found living in overcrowded and unsanitary conditions inside a Los Angeles home.

A draft executive order viewed by ProPublica directs the secretary of transportation to “use all available authorities to ...

In the wake of January's deadly wildfires, Los Angeles County leaders are weighing a disaster registry intended to help ...

UCLA researchers have launched a new network of air pollution monitors for northwest L.A. areas near the Palisades fire.

Once residents rebuild their primary home, they can rent out their ADUs, generating cash to offset the cost of their mortgage ...

In the wake of the record-breaking wildfires in Los Angeles in January—some of the most expensive and destructive blazes in ...

Reforming California’s environmental rules is only a small step to rebuilding Los Angeles after the fires in January.