India, April 16 -- This is the second such event in the last 10 years and comes at a time when global oceans have also recorded unprecedented heat

National Oceanic and Atmospheric Administration's (NOAA) Coral Reef Watch (CRW) of the United States and the International Coral Reef Initiative (ICRI) have confirmed the fourth global mass coral bleaching event in 2023-2024. CRW and ICRI have recorded bleaching of corals in 53 countries, territories and local economies across five different ocean/sea basins between February 2023 and April 2024.

This is the second such event in the last 10 years and comes at a time when global oceans have also recorded unprecedented heat in 2023 and 2024. The earlier event had lasted from 2014 to 2017. The CR...