Coral bleaching isn’t just an ocean crisis. Here’s how the global event endangers food security, local jobs—and the land ...

World’s largest bleaching event on record has harmed 84% of coral reefs© Carolyn Van Houten/The Washington Post Dead elkhorn coral stands in Elbow Reef near Key Largo, FL on November 28, 2023 ...

The grim milestone was recorded between January 2023 and April 2025, with the agency documenting that bleaching-level heat stress has impacted 83.7% of the world's coral reef area.

Harmful bleaching of the world’s coral has grown to include 84% of the ocean’s reefs in the most intense event of its kind in recorded history, the International Coral Reef Initiative a… ...

Coral reefs are known for their vibrant, rainbow-hued colors. They are vital to 25% of ocean life, even though they only make up less than 1% of the planet’s surface. They provide food and ...

Bleaching is visible on coral reef off the coast of Nha Trang, Vietnam, Oct. 24, 2024. Credit: AP/Yannick Peterhans Efforts are underway to conserve and restore coral.

Coral bleaching has been recorded in over 60 countries since early 2023, threatening reefs that are key to ocean biodiversity and support fishing and tourism industries globally, and that death ...

World’s largest bleaching event on record has harmed 84% of coral reefs Bleached coral dies when exposed to heat stress for too long, threatening the bountiful marine ecosystem that depends on ...

A year after the worst coral bleaching ever recorded, Florida's reefs are slowly recovering. Despite elevated ocean temperatures, scientists say this summer they didn’t see significant bleaching.

Harmful bleaching of the world’s coral has grown to include 84% of the ocean’s reefs in the most intense event of its kind in recorded history, the International Coral Reef Initiative ...

This is not the first mass event of its kind. It's the fourth known widespread bleaching of coral reefs. But the troubling part, McField says, is that these episodes keep getting worse.

That spells bad news for the entire coral reef ecosystem. As Maiya explains, coral bleaching isn’t new. In fact, healthy coral reefs can even bounce back from a little algal altercation.