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IUCN: 96% of Reef Ecosystems Critically Endangered by 2075

By Drooid · Oct 23, 2026, 3:47 PM UTC · How we work

Summary

IUCN Researchers Warn

IUCN researchers say all 17 Australian coral reef ecosystems face extremely high collapse risk by 2075.
The global assessment classifies 96 % of evaluated coral reef ecosystems as Critically Endangered.
Climate-driven ocean warming is the most widespread threat, driving marine heatwaves that cause mass bleaching.
Scientists warn the window for effective conservation and climate action is rapidly closing.
Stronger local management and rapid decarbonisation could avert reef collapse.

Summary

IUCN Pushes Biodiversity Pact

IUCN unveiled its comprehensive report at the UN COP17 biodiversity summit in Yerevan, Armenia.
Delegates face mounting pressure to adopt a 2030 global worldwide biodiversity pact aimed at halting and reversing ecosystem loss.
IUCN Director General Grethel Aguilar warned that urgent, decisive action now could still spare reefs from collapse.

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IUCN Researchers Warn

IUCN researchers say all 17 Australian coral reef ecosystems face extremely high collapse risk by 2075.
The global assessment classifies 96 % of evaluated coral reef ecosystems as Critically Endangered.
Climate-driven ocean warming is the most widespread threat, driving marine heatwaves that cause mass bleaching.
Scientists warn the window for effective conservation and climate action is rapidly closing.
Stronger local management and rapid decarbonisation could avert reef collapse.

1 / 2