Will 2026 be the year when coral reefs pass their tipping point?

By Samantha Garrard, Senior Marine Ecosystem Services Researcher, Plymouth Marine Laboratory

Tropical coral reefs cover less than 1% of the seafloor, yet support 25% of all marine species. They are also incredibly vulnerable. Over the past few decades, an estimated 30%-50% have already been lost.

Yet we are approaching a terrifying threshold. After record-breaking ocean heatwaves of 2023-24, which saw coral “bleaching” in at least 83 countries, scientists are looking towards 2026 with growing dread.

The question is whether this will be the year a global tipping point is reached…

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