Great Barrier Reef suffers biggest annual drop in live coral since 1980s after devastating coral bleaching

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1. Another tipping point on the verge of being triggered.

   > The 2024 and 2025 events were part of an ongoing global mass coral bleaching event that led to more than 80% of the planet’s reefs being hit with enough heat to cause bleaching, affecting corals in at least 82 countries and territories.

   > A study last year found ocean temperatures on the Great Barrier Reef were probably at their hottest for at least 400 years and were an “existential threat” to the Unesco world heritage-listed reef.

   …

   > “These impacts we are seeing are serious and substantial and the bleaching events are coming closer and closer together,” Emslie said.

   > “We will ultimately get to a tipping point where coral cover can’t bounce back because disturbances come so quickly that there’s no time left for

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