In the latest FutureScape issue brief from the Brent Scowcroft Center on International Security's Strategic Foresight Initiative, author Peter Engelke discusses the long-term economic, environmental, and policy implications of urbanization. Entitled "Foreign Policy for an Urban World: Global Governance and the Rise of Cities," the brief examines how urbanization is hastening the global diffusion of power and how cities themselves are increasingly important nodes of power in global politics.