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"In this fifth in a series of six videos TreeHugger has done in collaboration with the good folks (and sometimes guest writers here) over at Skeptical Science, John Cook explains how some skeptics and climate deniers set impossible expectations of"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/climate-change/climate-science-will-never-be-100-settled-but-we-certainly-know-enough-to-know-we-must-act-video.html>