Steve Levitt and Stephen Dubner
Book (and associated articles)
"Superfreakonomics: Global Cooling, Patriotic Prostitutes, And Why Suicide Bombers Should Buy Life Insurance."  Steven Levitt and Stephen Dubner (2009).
"Superfreakonomics: Everything You Know About Global Warming Is Wrong" Sunday Times (UK), Oct 18, 2009.
Criticisms of scientific content
An Open Letter to Steve Levitt Ray Pierrehumbert, RC, Oct. 29 2009 Superfreakonomics: Global Cooling (and some other stuff)? Stoat, Oct. 13, 2009 Why everything in Superfreakonomics about Global Warming is wrong Deltoid, Oct. 16, 2009 New book "Superfreakonomics" Mischaracterizes Climate Science UCS, Oct. 15, 2009 (includes updates)
Discussions of Geo-engineering
Why Levitt and Dubner like geo-engineering and why they are wrong Gavin Schmidt, RC, Oct 18, 2009