There is, to start with, anchoring, which explains how we build mental models around as few as one or two initial examples, no matter how unrepresentative—in the case of global warming, the world we know today, which is reassuringly temperate. There is also the ambiguity effect, which suggests that most people are so uncomfortable contemplating uncertainty, they will accept lesser outcomes in a bargain to avoid dealing with it. In theory, with climate, uncertainty should be an argument for action—much
