Oceans Hit Record Heat

LondonGlobal sea-surface temperature hit 21.1°C Saturday.

The ocean has absorbed most of humanity’s excess heat, so a record here signals the buffer filling.

Warmer water expands and stratifies, driving most sea-level rise and cutting the oxygen mixing fisheries depend on, Copernicus said.

Scientists expect the record to break again by April 2027 as El Niño peaks.

Sources: Hacker News