The league of conservation voters (lcv) is an American organization with an independent political voice that lobbies on behalf of the environment. The LCV is the political voice of the national environmental movement and the only organization devoted full-time to shaping a pro-environment Congress and White House. The LCV was created in 1970 as a result of the second wave of U.S. environmentalism that emerged out of the first Earth Day on April 22, 1970. The organization focuses its efforts on influencing politics as they relate to the environment in the United States. Marion Edey, then a U.S. congressional staff aide, and David Ross [Page 1035]Brower, the executive director of the Sierra Club from 1952–69, and then founder of the Friends of the Earth in ...