But as discussed here, changes in ocean heat storage and ventilation offer a superior explanation. (landscapesandcycles.net)
Some important aspects were not understood back then, like the role of greenhouse gases other than CO2, of aerosol particles and of ocean heat storage. (realclimate.org)
They did the same with ocean heat storage; that is, they failed to use the raw data but only averaged data. (wmbriggs.com)