Almost every shallow-water coral reef on the planet faces ecosystem collapse by 2075, UN advisors say

Assessment finds global heating is endangering 96% of coral reefs across 80 countries - a figure scientists say should serve as a ‘wake-up call’

Almost every shallow-water coral reef on the planet, including Australia’s Great Barrier Reef, faces a high risk of ecosystem collapse before 2075 because of global heating, according to an assessment by United Nations nature advisers.


About 24% of the planet’s reefs across more than 80 countries are already critically endangered, the assessment said, but when the expected impacts of global heating were added this rose to 96%.


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https://www.theguardian.com/australia-news/2026/oct/22/shallow-water-coral-reef-ecosystem-collapse-by-2075-un-advisors-say