In the run-up to next month’s increasingly shaky Copenhagen global warming policy negotiations, the official advice from the world’s climatists is that the politicians and the rest of us should just pay no attention to the science of climate change. It is settled, they say, and all we have to do — as the Financial Times editorialized recently — is “follow the science” and get on with the business of reconstruction and redistributing world economic production. We must, in the words of Elizabeth Kolbert, The New Yorker’s resident climatist, maintain our “faith in science.”