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Ocean Health Declines as Acidity Hits Dangerous Levels

9/25/2025

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Summary

Story summary

The Potsdam Institute's report says oceans have failed a health check due to fossil fuel burning.
Ocean acidity has crossed a dangerous threshold, the seventh of nine breached planetary boundaries.
Record ocean heat and coral bleaching threaten ecosystems vital for climate stability.
Since the industrial era, ocean pH has fallen 0.1 units, increasing acidity 30-40%, threatening marine life.

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Story summary

The Potsdam Institute's report says oceans have failed a health check due to fossil fuel burning.
Ocean acidity has crossed a dangerous threshold, the seventh of nine breached planetary boundaries.
Record ocean heat and coral bleaching threaten ecosystems vital for climate stability.
Since the industrial era, ocean pH has fallen 0.1 units, increasing acidity 30-40%, threatening marine life.