Bradshaw, Corey J. A.;
Ehrlich, Paul R.;
Beattie, Andrew;
Ceballos, Gerardo;
Crist, Eileen;
Diamond, Joan;
Dirzo, Rodolfo;
Ehrlich, Anne H.;
Harte, John;
Harte, Mary Ellen;
Pyke, Graham H.;
Raven, Peter H.;
Ripple, William J.;
Saltré, Frédérik;
Turnbull, Christine;
Wackernagel, Mathis;
Blumstein, Daniel T.