The state's ambitious Climate Superfund legislation would hold fossil fuel companies liable for emissions, but continues to face fierce opposition.

California is closer to meeting its goal of conserving 30% of its lands and coastal waters by 2030, according to a report.

When President Donald Trump signed legislation to revoke California’s authority to enforce stricter tailpipe emissions ...

With seven of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up ...