Air-quality officials are advising people in several Southern California cities to keep their doors and windows closed amid ...

A new report shows that some of the nation's most polluted cities are in Southern California, four of which call the Inland ...

The president's environmental actions will significantly increase the cost of living for millions of people and bring about ...

As the fires burned in Los Angeles, scientists and local air regulators deployed monitors to measure the levels of heavy ...

California drivers may soon face higher prices at the pump after a Senate bill aimed at reversing a 65-cent gas tax increase ...

The Benicia City Council on Tuesday unanimously approved an ordinance to increase oversight of refineries and other “high ...

South Coast Air Quality Management District issues order for abatement requiring implementation of stricter and innovative ...

Elsewhere, WM’s Florida expansion faces opposition, Republic is looking to expand a Colorado landfill and an Illinois ...

Recent studies show that upgrading HVAC systems and using HEPA filters to improve air quality in classrooms provide health ...