Billionaire and climate change activist Tom Steyer is throwing his hat in the ring to become the next California governor, ...

Tom Steyer, 68, a billionaire investor turned climate crusader, launched his campaign for California governor on November 19.

Langworthy says his Energy Choice Act - which would be a federal block on any state or local government imposed future fossil ...

Tom Steyer, who announced his campaign on Tuesday, is a former hedge fund manager, Democratic megadonor, and activist.

Rising methane emissions could hinder U.S. gas exports as some countries place limits on the powerful greenhouse gas.

In a new study, Professor Mushfiq Mobarak and co-author Sultan Mehmood analyze newly uncovered satellite imagery of the 1970 ...

Billionaire businessman and activist Tom Steyer is running for California governor as a Democrat. Steyer once self-financed ...

An opposition megaphone that large couldn’t be overcome. The defeat of I-2117 is the largest single reason that a gallon of ...

Steyer joins a crowded field seeking to succeed Democratic Gov. Gavin Newsom, who is barred from running again in 2026 due to ...

Texas Governor Greg Abbott set a runoff for Texas Senate District 9 on January 31, 2026, after Senator Hancock's exit.

Cost of living dominated voter concerns in this year’s elections, and clean energy policies may have shaped outcomes in ...

You asked Somini Sengupta, our international climate reporter, about the science and the politics. She responded from COP30 ...