Martina Caballero, Lucia Montezuma, Ovidia Caballero, and Agripina Montezuma are powering their rural hometown of Punta Burica, Costa Rica, with solar energy. Through a government scholarship in 2016, they studied solar engineering at India’s Barefoot College and have joined over 150 women from 28 countries who have received university training and gone on to bring electricity to their hometowns. Photo credit: Barefoot College