Europe has some of the world’s most ambitious climate goals, but in recent months it has backtracked on rules governing automobile emissions and deforestation.

Liberals should reconcile with America’s oil and gas industry.

© Loren Elliott for The New York Times

Liberals should reconcile with America’s oil and gas industry.

China’s experiments in clean energy can feel like living in the future. Even when things don’t quite work.

Readers react to Daniela Lamas’s essay on the moral dilemma posed by a patient who refused her advice, then died. Also: Managing methane on farms.

Russell Vought, the White House budget director, called the laboratory a source of “climate alarmism.”

© Caine Delacy for The New York Times

A court filing by a group with deep ties to the pipeline company Energy Transfer raises questions about the growing use of amicus briefs in litigation.

© Nati Harnik/Associated Press

The state has become a hub of innovation for creating electricity using geothermal power. Just don’t call it renewable.

© Kaylee Greenlee for The New York Times

A yearly checkup on the region documents a warmer, rainier Arctic and 200 Alaskan rivers “rusting” as melting tundra leaches minerals from the soil into waterways.

© Josh Koch/U.S. Geological Survey

The United States has retreated on climate. China, the only superpower at COP30 and the world leader in clean energy, is not filling the void.

The United States is largely absent from the United Nations climate negations in Brazil. So who is stepping up?

But there are signs that greenhouse gas pollution in China might be slowing, according to a new analysis.

The California governor painted the president as a threat to American competitiveness by letting China dominate the renewable energy industry.

China is equipping other countries to fight climate change. It’s a role reversal.

At this year’s climate summit, the United States is out and Europe is struggling. But emerging countries are embracing renewable energy thanks to a glut of cheap equipment.

It needs the United States for defense and has spent billions building factories in America. But a Trump trade deal this week with China could erase a Korean edge in the U.S. market.