and then goes on to mention peer-reviewed - "The IPCC doesn't do any research itself. We only develop our assessments on the basis of peer-reviewed literature."
Again in 2008 he insisted that the IPCC process was based on peer-reviewed.
"People can have confidence in the IPCC's conclusions," he said."Given that it is all on the basis of peer-reviewed literature. I'm not sure there is any better process that anyone could have followed."
Roger Pielke Jr explains that movement of the IPCC away from peer-review on his blog:
Review by Donna Laframboise
Research by No Frakking Consensus