Check out this blog [2] for a large collection of articles debunking the Great Global Warming Swindle.
There is then of course my favorite story [3] (*note: explicit language) on Swindle director, Martin Durkin, and his rather explicit email response to two British scientists.
Here's the email exchange [4] in its entirety.
Links:
[1] http://www.desmogblog.com/sites/beta.desmogblog.com/files/images/blog-feature-2010.jpg
[2] http://rationallythinkingoutloud.wordpress.com/2007/07/12/loooking-for-the-material-that-debunks-and-discriedits-the-great-global-warming-swindle/
[3] http://lots-o-thoughts.blogspot.com/2007/03/martin-durkin-responds.html
[4] http://ocean.mit.edu/~cwunsch/papersonline/durkinemails.htm