Cold Europe?
“What happens is that as Arctic ice melts and Arctic rivers flow faster – trends which have both been documented – the northern oceans become less saline.This matters as we are looking at the Golden Nuclear Goose again…Less salinity means a lower density; the waters then cannot sink, so the conveyor weakens.
Computer models have predicted that if it turned off completely, Europe would cool by perhaps four to six degrees Celsius.” – BBC article about the Rapid project