"Duck for cover!" This article is a stub. You can help Act of War Wiki by expanding it! GAMMA, also known as the Environmental Movement Combat Alliance, is a violent non-state actor that originated in Brazil. Its main goal is the promotion of environmentalism through terrorism. See AlsoEdit Consortium Retrieved from "https://actofwar.fandom.com/wiki/GAMMA?oldid=10692" Categories: Article stubs Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.