From creating mass markets for solar water heaters, improving vehicle efficiency, using waste for energy or installing energy-efficient cooking stoves or planting trees and protecting forests, UNEPs 30 case studies prove that solutions to combat climate change are available, accessible and replicable. Across the globe, in myriad ways, from community-based programmes to large entrepreneurial endeavors, the solutions have much in common. These projects do not represent the status quo, they embody innovation and creativitythey harness benefits for the people they serve as well as help us to take the actions needed to reduce global emissions. The stories have been arranged according to UNEPs climate change priorities, areas of work that support countries in their accelerated and effective response to a warming world and its unpredictable consequences.