That question has already been adequately answered, and the answer is no.........
I believe I understand you as saying that the left has a contrived "yes" answer.........what I and others, I believe, are trying to get through to you, is that there already has been a very emphatic NO answer, a very credible, scientific no............
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I accept only the consistent, repeatable results of scientific-method based experiments where the verification of scientific facts are concerned. Please provide links to the write-ups of such experiments in order to substantiate your claims as to whether or not AGW is a significant and increasing factor to global warming.