This report presents evidences that urban stakeholders need to guide and make the case for climate action.

Prioritizing efforts in four areas could help cities achieve 90 to 100 percent of the emissions reductions needed by 2030.

Urban Efficiency II: Seven Innovative City Programmes for Existing Building Energy Efficiency builds on research in the successful predecessor “Urban Efficiency” Report and captures seven new detailed city case studies from C40 member cities. It is primarily targeted at city-level policy makers and decision makers across the world.