Building Sustainability in an Urbanizing World : A Partnership Report, Data Compendium

Cities are hubs of global change, and their global influence continues to grow. Cities contribute significantly to global challenges like climate change and biodiversity loss. At the same time, cities experience impacts like climate change first and with greatest intensity. Further, cities are becoming leaders worldwide in efforts to address global environmental and social problems. Some of the most important smaller-scale agreements and partnerships emerging from Rio+20 (the United Nations Conference on Sustainable Development) were initiated by or focused on cities. Even as the conference reinforced the increasing difficulty of reaching consensus on global challenges, it also saw smaller-scale agreements and partnerships emerge. Some of the most important "microagreements" focused on cities.