"Yes, and remember the models of the day in the 1400's created a consensus the world was flat."
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Uh., no, not so much.
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Even in those times, independently in China, India, the Islamic World, and in Western Europe scholars and navigators were well aware that the world was round.  At least as long ago as Ptolemy (c. A.d. 100) people were calculating the circumference of the earth.
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The point that is perhaps more important was that they did not reject knowledge, but tried to build upon it and to improve it.
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Global Warming Deniers are simply trying to obliterate truth, rather than to investigate it.  There's a big difference.