In a strategic retreat, the United Nations concedes that Earth has lost its chance to prevent some of the worst impacts of global warming.

Top weather agencies warn that the world should get ready for several years of even more record-breaking heat that pushes the globe to more deadly, fiery and uncomfortable extremes.

The U.N. weather agency says 2023 is all but certain to be the hottest year on record, and warning of worrying trends that suggest increasing floods, wildfires, glacier melt, and heat waves in the future.