Study: Atlantic Current Could Recover, Effects Persist Centuries

A Danish Meteorological Institute study published in Science Advances found that its model showed no irreversible tipping point for the Atlantic Meridional Overturning Circulation (AMOC), a current system that carries tropical warmth northward and helps moderate European winters. The model suggests the AMOC could regain strength if global temperatures fall, but full recovery could take centuries, leaving climate and sea-level effects in place for generations. The study also warns that melting of the Greenland ice sheet cannot be reversed and that a weakened AMOC could disrupt rainfall patterns and accelerate coastal sea-level rise. Researchers note that the modeled warming level of 7°C is far beyond current projections, while an outside expert cautioned that real-world AMOC stability may be lower than the model indicates; the study’s findings also require testing with other models.