Rising Temperatures Push Reefs to Tipping Point
Corals eject algae for color and food, leaving them vulnerable to high temperatures.
2014–2017 event lasted three years, first global bleaching to exceed one year.
Study analyzed 15,000 surveys and satellite heat-stress data.
Fourth Bleaching Event started in early 2023, with Panama's reefs severely affected.
Rising temperatures and prior warnings put reefs at long-term risk.
Copernicus reported global temperatures exceeded 1.5 degrees Celsius.
Scientific report warned coral reefs may have reached a 'tipping point'.