The Deutsches Institut für Stadtbaukunst argues that small, dense cities offer the best conditions for long-term functioning as eco-friendly green cities. In order to plan the necessary sustainable revegetation of urban parks, streets, and courtyards, we must first answer the overarching question of how climate protection and resilience measures can integrated into beautiful, livable cities. For over a decade, the Konferenz zur Schönheit und Lebensfähigkeit der Stadt has dedicated itself to fundamental questions in urban development. The contributions in this volume present discussions of integrated approaches to the green city from experts in both theory and practice across a range of different disciplines, as well as from the heads of various German city planning departments.