Impact of Record-High Ocean Temperatures on Coral Reefs
Record-high ocean temperatures are threatening coral reefs worldwide, with around two-thirds of reefs experiencing heat stress at levels high enough to cause bleaching. The impacts have been widespread, with bleaching occurring in at least 62 countries and territories since February 2023.
Key Points
- Around 60.5% of the world's coral reefs have experienced heat stress at levels high enough to cause bleaching
- Bleaching has occurred in at least 62 countries and territories since February 2023
- 99.7% of Atlantic reef areas have experienced bleaching-level heat stress within the past year