In her study of the interactions between tools of urban sustainability governance in key cities, Lisa Pettibone argues that a new factor-sustainability-minded groups-may be critical to building momentum for sustainability. The book presents in-depth case studies of six cities in the USA and Germany: New York, Portland, Seattle, Berlin, Hamburg, and Heidelburg. Drawing on 75 interviews, document analysis, and a bilingual literature review, the book analyzes how sustainability is politically constructed in city strategic plans and sustainability indicators. The volume provides a comprehensive...