A report warns that we may have seriously underestimated the rate of warming, which could damage economic growth

In a separate report Tuesday, the World Meteorological Organization warned that rising temperatures and climate extremes are reshaping electricity demand and energy-system risks worldwide, as hotter summers drive surging cooling demand while drought, heat waves and wildfires threaten power generation, transmission lines and fuel supply chains.

After 10 days with only the open ocean and the occasional iceberg at our sides, sailing into the sea ice felt like crossing into a whole new realm.

U.S. President Donald Trump's withdrawal from the United Nations climate framework marks a significant escalation of anti-climate policy.

This year’s U.N. climate summit, COP30, opened with a moment that should have set the tone for a new era. Brazil’s President Luiz Inácio Lula da Silva declared it the “COP of Truth,” rooted in the Brazilian idea of Mutirão, a collective effort ...

The fate of the world’s largest island has outsize importance for billions of people on the planet, because as the climate warms, Greenland is losing ice. That has consequences.

It’s time for a climate reckoning. Global climate cooperation has been underway for more than three decades, since the UN Framework Convention on Climate Change was signed in 1992. In 2015, governments adopted the Paris agreement to limit average global ...