Quote from futurecurrents:
This overwhelming consensus among climate experts is confirmed by an independent study that surveys all climate scientists who have publicly signed declarations supporting or rejecting the consensus. They find between 97% to 98% of climate experts support the consensus (Anderegg 2010).
Let's see what sane people have to say about Anderegg's 2010 "Expert credibility in climate change"
http://pielkeclimatesci.wordpress.c...ity-in-climate-change-by-anderegg-et-al-2010/