Yesterday, an Oxford style debate with the motion "Global warming is not a crisis" was held. For the motion: Michael Crichton, Richard Lindzen and Philip Stott. The affirmative side won. Detailed results:
Note the significant post-debate shift to the affirmative.
Expect the debate to be available online in the near future.
Thanks to "A Dog Named Kyoto" for finding this.
Update: Here's the transcript.