Are you afraid? Very afraid? Well, if you aren’t, you should be. And if you are, you aren’t scared enough. In just over a week, we are about to be treated to yet another Cassandra-style warning about the “fate of the earth,” this time from the International Panel on Climate Change. It has become part of the background noise in our daily lives: the constant refrain that the world is rushing headlong into certain doom. A doom, that is, that you will suffer unless you hand control of the economy and your daily lives over to the very elite that...