Ross McKitrick, an expert reviewer for the IPCC and who has written papers for CEI, has a must-read article in Newsweek. He makes several telling points, including:

To be sure, the IPCC does an impressive job of mobilizing experts to produce a report it hopes will be of service to the world. No one should trivialize this achievement. But let’s not make the error of allowing a glossy summary to trivialize the complexities and uncertainties in climate change. After all, if the issues were so simple, you wouldn’t need 3,700 experts to write the report. It is a paradox that some of the strongest claims of unanimity in science are made on a subject involving some of the deepest intellectual disagreements and uncertainties.

Read the whole thing, as they say.