The Climate Shift Index: Ocean quantifies the influence of climate change on sea surface temperatures. It’s grounded in peer-reviewed attribution science and was launched by Climate Central in 2024.

Average temperatures across the world’s oceans reached an all-time high in 2024, according to a multi-team study published Jan. 10. The temperatures surpassed even those of 2023, which themselves ...

Almost a year ago, ocean surface temperatures around Florida’s coasts hit record-breaking levels – making it too dangerous for swimmers in some areas of the state. And while hot water does typically ...