Rachel Carson
Ian L. McHarg
United States. General Accounting Office
James Lovelock
Donald VanDeVeer
G. Tyler Miller
Mexico.
S. J. Hawkins
Ann M. Martin
Daisy Meadows
Unknown Author
Derek Clements-Croome
Florida. Office of Program Policy Analysis and Government Accountability.
Robert N. Butler
George Monbiot
Robin Guenther
Jan Berenstain
Gary M Pierzynski