http://en.wikipedia.org/wiki/Thermohaline_circulation
http://en.wikipedia.org/wiki/Sunlight
It would seem the Scientists are right and the extra energy being absorbed in the atmosphere is, melting ice, has/is slowing the Thermohaline Circulation.
extra reading
http://www.mi.uni-hamburg.de/fileadmin/fnu-files/publication/working-papers/Link_Working_Paper_FNU-103.pdf
