From one of today-s most inspired architects and urban advocates, a manifesto for architecture as a force for addressing our largest social challengesThe world is facing unprecedented challenges, from climate change and population growth, to political division and technological dislocation, to declining mental health and fraying cultural fabric. With most of the planet-s population now living in urban environments, cities are the spaces where we have the greatest potential to confront and address these problems. In this visionary book, Vishaan Chakrabarti argues for an -architecture of urbanity,- showing how the design of our communities can create a more equitable, sustainable, and joyous future for us all. Taking readers from the great cities of antiquity to the exurban sprawl of our postindustrial age, Chakrabarti examines architecture-s relationship to history-s greatest social, technological, and environmental dilemmas. He then presents a rich selection of work by a global array o