The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. April 24, 2025 84% of World's Coral Reefs Suffer Largest-Ever Bleaching Event -------------------------------------------------------------- The worst-ever recorded event of coral bleaching has spread to 84% of the world's reefs. The bleaching, brought about by global heating, seriously threatens oceanic biodiversity and could lead to the death of vital underwater ecosystems. .