Steven Beissinger, Rev. Sally Bingham, Ignacio Chapela, Gretchen Daily, Brock Dolman, Dr. Paul Ehrlich, Reuben Jacobson Goldberg, Mary Gomes, Tyrone Hayes, Derrick Jensen, Allen Kanner, Richard Leakey, Oren Lyons, Joanna Macy, Norman Myers, Melissa Nelson, Stuart Pimm, Peter Roopnarine, Mary Evelyn Tucker, Mary Turnipseed, Mariana Vale, Peter Vitousek, Bernard Daley Zaleha,