Cities for a Single Planet presents a groundbreaking model for urban transformation in our rapidly changing world. This book offers innovative solutions for sustainable city development, focusing on boroughs of 20,000 citizens and metropolitan areas of 500,000 residents. Drawing from extensive research and real-world initiatives, the authors present practical frameworks for reimagining urban spaces. The book combines theoretical models with case studies of citizen-led projects from around the globe, providing concrete examples of community-driven change. Written in accessible language for readers 14 and up, this comprehensive guide explores everything from IT infrastructure to water management and social dynamics. Perfect bound for durability, this 9-ounce volume serves as an essential resource for urban planners, community organizers, and anyone interested in the future of city living. This collaborative work features insights from members of Neustart Schweiz, bringing together perspectives from cooperatives, ecological organizations, and scientific institutions. Collaborators in Neustart Schweiz include Panayotis Antoniadis, Michael Baumgartner and Dorothee Spuhler.