Originally Posted by PR_Tom

One of the things that has worried me is the oil in the atlantic current. It's so important for regulating earths temperature, going north, chilling, falling to the ocean floor, looping back south, warming, repeating.

Oil is a temperature regulator in itself. It's going to try to maintain whatever temperature it starts out at. How is this going to screw with the already bad problem of the ice not forming as quickly? It can't help.