Science Daily·3 min read·medium
Earth’s waters are quietly running out of oxygen, scientists warn
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A new review warns that oxygen levels in oceans and freshwater systems are declining rapidly due to human-caused warming and nutrient pollution. Scientists argue that aquatic deoxygenation should be formally recognized as a critical planetary boundary to prevent irreversible ecological damage.
Scientists led by UC San Diego's Scripps Institution of Oceanography are warning that oxygen is disappearing rapidly from oceans and freshwater systems, potentially pushing the planet into an "unsafe space." Some of the resulting changes could persist for centuries and may not be reversible within human lifetimes.
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