Book excerpt: Cities across the globe face unprecedented challenges as a result of ever-increasing pressure from climate change, migration, ageing populations and resource shortages. In order to guarantee a sustainable global future, these issues demand radical new approaches to how we govern our cities. Providing new research and thinking about cities, their governance and innovative models of planning reform, this timely and important book compares the UK with an array of international examples to examine cutting-edge experimentation and innovation in new models of governance and urban policy. The flagship text of the Urban Policy, Planning and Built Environment series, this broad but accessible volume is ideal for students and provides an authoritative single point of reference for teaching.