Victor J. Papanek
Stephen R. Kellert
Jeff VanderMeer
United States. General Accounting Office
Stewart Brand
Andrew D. Ward
Aldous Huxley
M. H. Fulekar
Ken Yeang
Jeremy Rifkin
Jo Anne Shatkin
Wayne G. Landis
Gerard Shuirman
Elmar Heinzle
Heather Chappells
Jon T. Lang
Anthony C. Fisher
Karel Verschueren
John Warren
Janet Marinelli