Solar power lights Nairobi soccer match

Boys warm up before the final stats. Photo by Hou Liqiang/China Daily

"We have seen what it means to Mathare, but a soccer tournament is just one example. Markets and businesses can operate outdoors, and citizens feel safer socializing in public spaces. That the lighting is solar-powered, and therefore sustainable and reliable, means communities can enjoy these benefits without worry of scarcity or effects of pollution."