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.... After all, their motive is not the search for a scientific truth, but a refusal to change our whole lifes because of global warming theories. ....
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I find it interesting that people who believe that climate models have a lot of room for improvement and believe that that Climate Science is a worthwhile endeavor but believe that the models predictive value is unproven are not seeking the truth. And what theories are we talking about exactly. Perhaps an attempt to review how theories fit into the scientific method would be constructive:
Scientific Laws, Hypotheses, and Theories
I submit that the current state of the art in climate models is far from being theory.