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Story summary
- A new study finds the Atlantic Meridional Overturning Circulation could weaken by 43%–59% by 2100, a decline steeper than earlier predictions.
- The AMOC helps regulate climates across Europe, Africa, and America.
- Experts say estimates vary due to different variables, yielding collapse risk or warnings to prepare for AMOC changes.
- The study emphasizes using multiple observable variables and links sea surface salinity more strongly to AMOC strength.
