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Story summary
- The Atlantic meridional overturning circulation (Amoc) is more likely to collapse than once thought, with realistic climate models predicting a 42%–58% slowdown by 2100.
- The study, published in Science Advances, uses real-world observations to tighten models and links the Amoc decline to rising Arctic temperatures and salinity changes.
- Dr. Valentin Portmann and Prof. Stefan Rahmstorf urge urgent action to prevent an Amoc collapse and its extreme weather and sea-level consequences.
