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Great Barrier Reef hit by worst coral bleaching on record
Australia’s Great Barrier Reef suffered the worst coral bleaching on record. Both the northern and southern branches of the reef have been battered lately by tropical storms and the encroachment of invasive coral-eating crown-of-thorns starfish, but heat stress driven by warming oceans is the primary cause, scientists told the BBC.
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 ...
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.
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 ...
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 ...
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.
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 ...
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.
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, ...
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.
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