Even man’s best friend is not safe from the climate alarmism. Not if you believe a recent CNN column opining that dogs, cats and other domestic pets are causing irreparable harm to the climate. President Harry Truman famously said that if you want a friend in Washington, you should get a dog. The eco-left feels differently. My fellow Gen Xers will remember vividly that there were two existential threats growing up that could annihilate mankind: nuclear war and acid rain. Future decades expanded the circle of bogeymen to include ozone layer degradation, bioweapons, African killer bees, SARS, financial market collapse...