About Earth Conservation Corps The Earth Conservation Corps is the signature national service program in the District of Columbia for The Corps Network, the legacy organization of President Franklin D. Roosevelt’s Civilian Conservation Corps, which was the largest national service program in U.S. history. Founded in 1989 by the H.W. Bush White House, the Earth Conservation Corps (ECC) is a community based and nationally recognized environmental service nonprofit organization dedicated to empowering youth living in Washington's stressed communities through service learning, habitat restoration, and environmental education. Central to the ECC inspiring and leading the restoration of