United States
Rachel Carson
G. Tyler Miller
Dr. Seuss
Merlin Sheldrake
Joanna Cole
Thomas H. Tietenberg
Geological Sciences Inst.
Jonathan M. Harris
United States. General Accounting Office
Ernest Callenbach
Daniel D. Chiras
United States. Dept. of the Interior. Office of Information.
Barry C. Field
Jen Green
Anthony Scott
United States Dept. of the Interior. Office of Information
Preston Essex McNall
Owen, Oliver S.