Global temperatures are now widely expected to temporarily exceed the Paris Agreement’s 1.5 °C warming limit, even under the most aggressive emissions-reduction scenarios. That prospect, known as ...

BELEM, Brazil — The world’s climate leaders are conceding that Earth’s warming will shoot past a hard limit they set a decade ago in hopes of keeping the planet out of a danger zone. But they’re not ...

In February, on the eve of the release of a major new report on the effects of climate change by the Intergovernmental Panel on Climate Change, or IPCC, several of its authors met with reporters ...