Who debunked the hockey stick global warming graph and where can I find it?

www.climateaudit.com

The real answer to this question is no one, deniers make many claims about this as they do about many parts of the global warming issue but when it comes to providing evidence it's 'blogs' like 'climateaudit'. The fact is it has been backed up by later studies http://www.newscientist.com/article/dn11646

I can't even look. This makes me so angry that humans will not take responsibility for there actions. Since before the Vikings, CO2 has been released like an evil genie out of her bottle. Now she will wreak havoc on mankind for HIS ignorance!!!

http://en.wikipedia.org/wiki/Hockey_stick_controversy

Well if you're interested in reality, it hasn't been debunked. There were some criticisms of the statistical methods they used in the original 'hockey stick'. The National Academy of Sciences investigated and found that the criticisms were largely invalid. Many other global temperature reconstructions have shown almost identical results. Further, the same group re-did the 'hockey stick' study, taking the statistical criticisms into consideration and using even more data before, and got basically the same result. Their paper was published in the journal of the National Academy of Sciences. http://www.realclimate.org/index.php/archives/2008/09/progress-in-millennial-reconstructions/langswitch_lang/in http://www.pnas.org/content/early/2008/09/02/0805721105.abstract http://climateprogress.org/2008/09/03/sorry-deniers-hockey-stick-gets-longer-stronger-earth-hotter-now-than-in-past-2000-years/ But it was McIntyre & McKitrick who tried (and failed) to debunk the hockey stick. A good discussion about it is available here: http://tamino.wordpress.com/2008/03/06/pca-part-4-non-centered-hockey-sticks/