Quick Answer: Earth First! is a environmental advocacy group that originated in the Southwestern United States. It was founded in 1980 by Dave Foreman, Mike Roselle, Howie Wolke, Bart Koehler, and Ron Kezar. Inspired by several environmental writings, including Rachel Carson's Silent Spring, Aldo Leopold's land ethic, and Edward Abbey's The Monkey Wrench Gang, a small group of environmental activists composed of Dave Foreman, ex-Yippie Mike Roselle, Wyoming Wilderness Society representatives Bart Koehler and Howie Wolke, and Bureau of Land Management employee Ron Kezar, united to form Earth First. While traveling in Foreman's VW bus from the El Pinacate y Gran Desierto de Altar Biosphere Reserve in northern Mexico to Albuquerque, New Mexico, the group pledged, "No compromise in defense of Mother Earth!