California clean-air regulators withdrew requests with the Biden administration to set tougher pollution rules in the state ...

Because Trump is unlikely to approve them, California has no choice but to abandon its groundbreaking rules for zero-emission ...

Stalled plastic treaty talks risk a global health crisis fueled by microplastics and toxic emissions worldwide.

Because Trump is unlikely to approve them, California has no choice but to abandon its groundbreaking rules for zero-emission ...

A study by researchers at Wayne State University links exposure to air pollution to an increased risk of type 2 diabetes.

California officials are withdrawing their final requests to enforce their nation-leading electric vehicle rules, days before ...

Several parts of southern California are currently under windblown dust and ash advisories as deadly wildfires continue to ...

The lawsuit targets EPA's removal of a legal shield for unpermitted pollution stemming from plant emergencies.

State regulators said the measures would probably have been rejected by the Trump administration and that they would focus on ...

Take precautions: The South Coast Air Quality Management District says L.A. County residents should take precautions whenever ...

Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds. See an air quality map.

Fire safety experts urge drivers to maintain clean air filters, prepare a go-bag and leave keys in the vehicle if they have ...