Air quality regulators in Southern California are debating proposed rules that would curb harmful emissions from gas-powered ...

The South Coast Air Quality Management District is poised to vote on regulations that would limit emissions of nitrogen ...

The grants were dedicated for projects meant to improve minority communities impacted by pollution, climate change and air ...

Climate change is reshaping the global water cycle, disrupting rainfall patterns and putting growing pressure on cities and ...

Melting snow from California's Sierra Nevada is filling reservoirs. But dry conditions have shrunk the flow of the Colorado ...

The grants were dedicated for projects meant to improve minority communities impacted by pollution, climate change and air ...

Climate change could be helping the flesh-eating screwworm fly spread, undoing decades of progress — and the USDA isn’t doing ...

California is opening up its track-and-field championship to more girls after a transgender athlete drew controversy for ...

Lake Oroville hit capacity for the third year in a row this spring, marking a first-ever milestone for the lake.

Violet Affleck reflected on the impact of Los Angeles wildfires, emphasizing climate change awareness, and saying it caused ...

State has invested billions in wildfire mitigation. Insurers should be required to factor that into their underwriting.