Levitt Hits Back

Steven Levitt hits back at his critics in this new post in the NY Times. The post is a bit revisionist I think as to what exactly is in the chapter in Superfreakonomics. The tone of that chapter is clearly that carbon taxes or cap and trade won't work (for unclear reasons) and, therefore, we need geoengineering. This post places geoengineering as a method for quickly cooling the Earth (which I