Even as administration officials vowed this week to head off scheduled retirements, some aging plants are now breaking, and costs could run to the billions.

© Brittany Peterson/Associated Press

Thousands of cities around the world saw their hottest year on record in 2025 as the planet has inched closer to a key temperature threshold.

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.

New research shows that climate change is beginning to erode home prices in the most disaster-prone areas of the United States. Here’s what to know.

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