‘Off the charts’: 2023 was hottest year ever recorded globally, US scientists confirm

New analysis confirms unprecedented' record reported by European Union and United Nations scientists

Last year was the hottest ever reliably recorded globally by a blistering margin, US scientists have confirmed, leaving researchers struggling to account for the severity of the heat and what it portends for the unfolding climate crisis.

Last year was the world's hottest in records that stretch back to 1850, according to analyses released concurrently by Nasa and the National Oceanic and Atmospheric Administration (Noaa) on Friday, with a record high in ocean temperatures and a new low in Antarctic sea ice extent.