Cities are frequently viewed as passive participants to state and national efforts to solve the toughest urban problems. But the evidence suggests otherwise. Cities are actively devising innovative policy solutions and they have the potential to do even more. In this volume, the authors examine current threats to communities across the U.S. and the globe. They draw on first-hand experience with, and accounts of, the crises already precipitated by climate change, population shifts, and economic inequality. This volume is distinguished, however, by its central objective of traveling beyond a...