With the lowest electrification rate in the world, less than 10 percent of Africa’s rural population has access to electric power. However, rural women in Zanzibar are taking steps to electrify their communities: these “solar mamas” have received training to install solar panels on their neighbors’ roofs. The solar-powered light reduces the risk of fires while enabling women to work after dark and young children to study at night. Photo credit: Sam Eaton