Despite the wishful thinking of evangelicals impatient for the Rapture or deep ecologists who believe that Gaia would be happiest with a thin sprinkling of hunter-gatherers, megacities like Los Angeles will never simply collapse and disappear. Rather, they will stagger on, with higher body counts and greater distress, through a chain of more frequent and destructive encounters with disasters of all sorts; while vital parts of the region's high-tech and tourist economies eventually emigrate to safer ground, together with hundreds of thousands of its more affluent residents.