This book explores the concept of a circular economy (CE) and its transformative potential for cities and regions. It emphasises the importance of spatial planning and the role of urban and regional authorities in driving the transition to a more sustainable, resilient, and inclusive economic and societal model. As such, the book aims to inform and equip public and private policymakers, urban planners and regional authorities with the knowledge and tools needed to foster a CE, and nudge cities and regions towards sustainable futures. [...]@en