On Friday, October 19, 2012 9:37:01 AM UTC+1, Graham Easterling wrote:


I am bemused by people (not just Steve) using past variations in the climate to justify scepticism over global warming.



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Me too. As if the reason(s) for warming must always be the same, and that the fact that there has been warming (global or local) pre human emissions means that human emissions cannot be culpable for current warming.

Stephen.