Freakonomics

I reviewed Freakonomics when it first came out and really liked it. So I was looking forward to the sequel Superfreakonomics. Unfortunately, Levitt and Dubner decided to write about global warming and have made a dreadful hash of it. The result is so wrong that it has even Joe Romm and William Connolley in agreement. So what went wrong? One possibility is that Freakonomics was superficially plausible but also rubbish, and it was only when they wrote about an area where I was knowledgeable that I noticed. But I don't think this is the correct explanation. I've read the journal papers on…