Rachel Carson
Joanna Cole
United States. General Accounting Office
Suzanne Simard
Jean Giono
Vandana Shiva
Rosemary Gladstar
Lierre Keith
Douglas W. Tallamy
Barbara Pleasant
Steven D. Gisler
Claire Waterton
Kjell Danell
Alan Hamilton
Quentin C. B. Cronk
Leigh H. Fredrickson
Peter C. Klingeman
Anthony Julian Huxley
Judith H. Myers