State regulators find that the value of rooftop solar is much more than a utility had argued.

Rather than rule on whether oil and gas companies should pay damages related to climate change, the high court sent Baltimore’s case back to the lower courts.

The White House said the program could create tens of thousands of new jobs while moving the country toward clean energy.

In 1990, Patagonia made a donation to Planned Parenthood, angering Christian fundamentalists. The response was swift: calls for a boycott, threats of store pickets and a deluge of complaints to its call center that jammed its phone lines.

A report by the International Energy Agency says the sale of new petrol and diesel cars around the world would end by 2035.

The researchers analyzed language in public and internal documents and found that the oil giant used “the subtle micro-politics of language to downplay its role in the climate crisis.”

The United States is getting redder.

No, not that kind of red. (We’ll leave that to the political pundits.) We’re talking about the thermometer kind.

Environmental advocates see progress but had hoped for a bolder stance against gas.

Gigawatt-scale batteries and more demand-side resources are lined up. But weather extremes still threaten to stress California’s grid beyond its limits.

The cost-benefit rule limited the way the E.P.A. could justify clean air regulations.

Green power needs to grow faster to protect climate, IEA says

A plan aimed at the nation’s largest cluster of warehouses is designed to spur electrification of pollution-spewing diesel trucks and could set a template for restrictions elsewhere.