I have little time for blogging these days, but I must note this quote from one Ellen Goodman:
Let's just say that global warming deniers are now on a par with Holocaust deniers, though one denies the past and the other denies the present and future.
The best rebuttals I've read so far are by Arnold Kling and Mark Steyn. If it weren't for the fact that you can't deny something that hasn't happened yet, I'd say consider me a climate holocaust denier.