The world is currently experiencing its fourth global coral bleaching event, according to NOAA scientists and ICRI’s network of global coral reef scientists, the second event in the last 10 years. Bleaching-level heat stress, caused by prolonged increases in anomalous ocean temperatures, as remotely monitored and predicted by NOAA’s Coral Reef Watch, has – and continues to be – extensive across the Atlantic, Pacific, and Indian Oceans. Mass bleaching of coral reefs, since early 2023, has been confirmed in at least 53 countries, territories, and local economies, including Florida (U.S.A), the Caribbean, the Eastern Tropical Pacific (including Mexico, El Salvador, Costa Rica, Panama, and Colombia), Australia’s Great Barrier Reef, large areas of the South Pacific (including Fiji, Vanuatu, Tuvalu, Kiribati, and the Samoas), the Red Sea (including the Gulf of Aqaba), the Persian Gulf, and the Gulf of Aden. To share key messages and resources about coral bleaching, its impacts, causes and solutions currently being implemented and developed, ICRI has developed the “Coral Bleaching Hub” to support responses, policy and planning, and encourage global cooperation. ICRI will be hosting a webinar on Tuesday 14th May 2024 to present and discuss the status of the 4th Global Bleaching Event, and the role of the global coral reef community. Register your interest to attend the webinar here.