These guidelines use sustainable urban infrastructure as the entry point for building sustainable cities. Sustainable urban infrastructure can only be built if we reconsider our strategic view of urbanization – if we rethink the future of cities. A new strategy based on more effective urban planning, strengthened local institutions and governance processes as well as enhanced economic contribution of cities is needed. Only Infrastructure that is energy and eco-effi cient, that serves the economic development of cities and supports the betterment of all citizens can be sustainable