A slowdown or even collapse of the Gulf Stream System as a result of global warming has long been a concern of climate scientists and has fuelled the imagination of Hollywood. Recent studies provide evidence for a AMOC slowdown.
Release via Earth101 (Follow and subscribe to their channel too) https://www.youtube.com/watch?v=EmiVhT5cHpw
Related German article http://scilogs.spektrum.de/klimalounge/qa-zum-golfstromsystem-und-dem-cold-blob-im-atlantik/
Related https://en.wikipedia.org/wiki/The_Blob_(Pacific_Ocean)