By Boatman, Derrick J.
By Elizabeth A. Johnson
By Lodge, Thomas E.
By Chidumayo, Emmanuel
By Action contre la Faim
By Ricklefs, Robert E.
By Tony Sinclair, John Fryxell, Graeme Caughley
By Lindsay Galvin
By Eugene Linden
By Richard. S. K. Barnes, etc., P. Calow (Professor of Zoology, University of Sheffield), P.J.W. Olive (Senior Lecturer in Zoology), M. Dove
By Richard T. Holmes, Gene E. Likens
By Michael J. Wade
By Brian H. Walker (Division of Wildlife and Ecology CSIRO, Australian Capital Territory), Will Steffen (Division of Wildlife and Ecology CSIRO
By Josep G. Canadell, Diane E. Pataki, Louis F. Pitelka
By Peter D. Tyson, Roland Fuchs, Congbin Fu, Louis Lebel, Hermine Vloemans
By T. M. Smith (University of Virginia), H. H. Shugart (University of Virginia), F. I. Woodward (University of Sheffield)
By Eric F. Lambin, Helmut J. Geist
By Great Britain: Department of the Environment, Transport and the Regions
By Thomas Nowotny
By Barbara Kingsolver
By Mark Watson
By Satish Kumar, Rupert Sheldrake
By Llewellyn Vaughan-Lee (Llewellyn Vaughan-Lee )
By Ruth Merttens, Ba, Med, Dave Kirkby
By Anita Ganeri
By Guy Shrubsole
By Hannah Ritchie
By Marguerite S. Shaffer, Phoebe S. K. Young
By M.A. Burgman, S. Ferson, H.R. Akcakaya