World history textbooks in Wisconsin
devote substantial space to describing the internment of Japanese - Americans in the United States during World War II, according to a recent review by Paul Kengor of the Wisconsin Policy Research Institute.
Given that many (not all) highly regarded climatologists regard the «catastrophic» case as the most likely case and that much of the research literature, including the IPCC report
devotes substantial space to quantifying the uncertainties, I tend to conclude that the current state of knowledge regards the risk of catastrophic climate change as significant and that the precautionary principle applies.