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Atlantic Circulation Could Lose 59% by 2100, Threatening Europe

4/25/2026

Summary

Story summary

New research estimates the Atlantic Meridional Overturning Circulation could lose up to 59% of its strength by 2100.
Scientists from the University of Miami and a European team report weakening at four Atlantic sites since 2004 and project a 50% loss by 2100.
Updated forecasts blame earlier temperature and salinity biases, warning that the slowdown could cool northern Europe, raise U.S. northeast sea level, disrupt agriculture, and require emissions cuts.

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Story summary

New research estimates the Atlantic Meridional Overturning Circulation could lose up to 59% of its strength by 2100.
Scientists from the University of Miami and a European team report weakening at four Atlantic sites since 2004 and project a 50% loss by 2100.
Updated forecasts blame earlier temperature and salinity biases, warning that the slowdown could cool northern Europe, raise U.S. northeast sea level, disrupt agriculture, and require emissions cuts.