He said certainly with regards to the efficacy of general circulation models and climate modelling overall, and that much of the rest of the science was accessible. (realclimate.org)
More recently, including the carbon chemistry system in general circulation models has simply been a question of allocation of computing resources. (ipcc.ch)
With coordinated experiments with six atmospheric general circulation models, forced by observed daily sea - ice concentration and sea surface temperatures. (sciencedaily.com)