The New York Times reported that the National Park Service removed a sign warning about the effects of climate change on the historic Fort Sumter site.

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all scientists agree.

Last year was the third hottest on record, with the World Meteorological Organization this week warning that 2025 continued a run of “extraordinary” global temperatures. The EU has said the Paris climate agreement of 1.5C could be broken before 2030, a decade sooner than expected.

Belgian biathlete Maya Cloetens is concerned about the future of winter sports in a warming world. Training in Grenoble, France, in the hopes of competing in next month's Winter Olympics in Milan and Cortina,

The annual gathering of top business leaders and policymakers used to be a center of the global climate movement. Things are much more complicated now.