Researchers from Harvard and universities in California and Texas are studying the long-term effects of the Eaton and ...

The South Coast Air Quality Management District has issued an air quality alert across parts of the Coachella Valley.

A career staffer at the Environmental Protection Agency who approved an internal report on threats against Scott Pruitt was removed Tuesday amid criticism of the high level of security spending ...

Department of Geological Sciences, Stanford University, Stanford, California 94305, United States ‡ Department of Earth System Science, Stanford University, Stanford, California 94305, United States § ...

The Senate has voted to block California’s first-in-the nation rule banning the sale of new gas-powered cars by 2035.

California leaders announced the impending filing of legal action and resolved to keep protecting the health and safety of Californians.

Department of Civil and Environmental Engineering, University of Southern California, Los Angeles, California 90089, United States ...

California’s ambitions to phase out gas-powered cars and curb air pollution will likely hit a major roadblock today.