David ran for election to Congress in 1994 focusing on both fiscal and social responsibility to assure a sound environment. He has been active with the Sierra Club, NARAL, Audubon Society, the national League of Conservation Voters and the Salem Planning and Zoning commission, where he was responsible for development of the townʼs Conservation and Development Plan. His most recent emphasis has been with The Nature Conservancy and the Salem Land Trust to ensure land preservation. David is a member of long standing in TACF (15 years+) and has developed one of the Chapter's first American Chestnut back-cross orchards on his property in Salem.