When Peter Hessler first arrived in the remote Chinese river town of Fuling, the only way to get there was by boat. Recently, he went back for a visit to explore the changes that the Three Gorges Dam has made.
Ma Jun, a former investigative journalist in Beijing, is pressuring global companies to clean up their act in his country. Using public information, he has made maps of the air and water pollution left by the supply chain of companies such as Apple.
Ikal Angelei is on a campaign to keep Ethiopia from building a damn near Lake Turkana. If completed, the Gibe 3 Dam would be the largest hydroelectric plant in Africa, and would dry up the fisheries used by thousands of people living in the desert around the lake.