Virtually all the major American environmental groups (as well as dozens of smaller organizations dedicated to “charismatic” animals, like the Mountain Lion Foundation, Save the Manatee, and Pheasants Forever) are addicted to direct mail as a tool of mobilization and membership retention.31 Indeed, the few national environmental organizations, such as the Izaak Walton League, that have forsworn direct mail have experienced no growth whatsoever over the last thirty years.

