Regarding the discussion about convinced and unconvinced, I think Seitter’s definition of convinced is too broad, as mentioned by Anteros, because it does include many skeptical of IPCC’s estimates. Even Lindzen, Spencer, Monckton, etc. would sign onto a 1 degree anthropogenic effect in this century. I would narrow it down by defining convinced as not just of anthropogenic global warming, but of IPCC’s rough estimate of 2-4.5 degrees per doubling, which would imply a warming nearer 3 degrees for this century alone than 1 degree.
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