2 or 3 daya ago I read an aritlce, I think it was a Drudge Headline, where it was announced the Richard Lindzer of MIT was about to publish a study which debunks the CO2 myth once and for all. Been searching but can't find it.
http://scienceandpublicpolicy.org/images/stories/papers/originals/co2_report_july_09.pdf