Re: And so began the climate wars..
"where he showed a simple model predicting global warming based on a set of assumptions. "
To put it a bit more precisely, he calculated and described several scenarios of what might happen if CO2 levels kept rising at different rates based on well known science - that CO2 in the atmosphere was increasing due to human activities was well known and CO2 had been known to be a greenhouse gas for over 100 years.