William Binney has been working in intelligence since the Cold War. As a cryptomathemetician, he helped create a new surveillance system called Thin Thread. When he discovered Thin Thread was being used to spy on American citizens, he spoke up and eventually left the agency.
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.