As the federal government moves to eliminate U.S. climate rules, companies still face pressure to be better stewards of the ...

"The journey of a thousand miles starts with a single step." Lawmakers propose new bill to address a rapidly worsening issue ...

An analysis of data from 1999 through 2023 shows 93% of parks and wilderness areas saw improved air quality on clear days.

Authorized by a pair of bills in Sacramento and passed with a two-thirds vote in the Legislature, the cap and trade program ...