Forgive me for not doing the research on this, but I seem to recall watching a show a few months back on the lawyers and experts that the anti-global warming proponents had aligned. Interestingly enough, they were many of the same people that the big tobacco companies had hired to fend off their attackers.
It might have been the fifth estate or W5.
Edit: It was the Fifth Estate. Here's the link
http://www.cbc.ca/fifth/denialmachine/index.html