By Mary Robinson
By John Foster (Lancaster University, UK)
By G. Jordan
By Pamela M. Barnes, Ian G. Barnes
By Steven Bernstein
By H. Jeong
By Raj Patel, Jason W. Moore
By Emma Marris
By Bobbie Kalman
By Scott Spoolman (President, Earth Education and Research), G. Miller (President
By S. Wiborg
By C. Myers
By F. Gale, Marcus Haward
By D. Elliott
By R. Usher
By R. Sollund
By Ruth Valerio
By Helmut F. van Emden (University of Reading)
By Krebs, Charles J.
By Howard Friel, Thomas E. Lovejoy
By Nora Bateson
By Albert L. Smit, A.G. Bengough, Chris Engels, M. Van Noordwijk, S. Pellerin
By Jonathon Porritt
By Ernest H. Williams (Professor in the Department of Biology, Professor in the Department of Biology, Hamilton College)
By Professor Callum Roberts
By Dana L. Jackson, Laura Jackson, Nina Leopold Bradley
By James H. Brown, Brett R. Riddle, Mark V. Lomolino
By Newman, Arnold
By Paul Micklethwaite