Excellent.
My second question is for Mr. Stone.
A few weeks ago, I was reading an article in The National Post's October 2, 2009 issue about a man named Ross McKitrick, whom you probably know and who is a professor of environmental economy at the University of Guelph. I believe he is one of those scientists who call themselves negationists—I don't know if that is the correct term—and who are trying to invalidate the work of the IPCC, and who question the theory developed by Professor Mann, the one which uses a hockey stick as an analogy, and which you are probably familiar with.
I was reading his article last week. He said that the IPCC fabricated evidence in its 2007 report to hide the problem. In his opinion, there is a significant gap between climate models and what has been observed, and the controversy grows year after year.
I cannot lend Mr. McKitrick's piece any credibility. However, what do you say to scientists who question the work of the IPCC?