The ocean has shielded us from the worst of climate change. Now it is running a fever | Karina Von Schuckmann

Nearly every indicator of climate change is flashing red. But we still hold the tools available to bring the planet back into balanceThe ocean is running a fever. In 2025, the number of days of marine heatwaves – prolonged spells when the sea turns abnormally, dangerously warm – was more than triple what it was in the early 1990s.These are not abstract statistics. A severe and persistent marine heatwave bleaches cor…