Instead of seeing the AMOC as a continuous belt, see it as a network of interlocking loops.** The subpolar loop transports heat further north into the Arctic,
whereas the subtropical loop includes the Gulf Stream.The subpolar loop was less powerful than the subtropical one during the last glacial period.**
Nowadays, rising temperatures around the world pose a danger of upsetting this fragile equilibrium (photo: Getty).**
The melting ice sheet of Greenland is bringing fresh water into the North Atlantic, which dilutes the salty, chilly seas.**