By Jean Clobert (, Universite Pierre et Marie Curie, Paris), Etienne Danchin (, Andre A. Dhondt (, Cornell University, Ithaca), James D. Nichols (, Patuxent Wildlife Research Centre, Maryland)
By Stuart, Chris, Stuart, Tilde
By Tim Spector
By Stephen Moss
By Sandra Doyle, Stuart Carter, Dave Daly
By Paul Waddington
By Robert Twigger
By Glasson, John, Glasson, John, Therivel, Riki, Therivel, Riki, Chadwick, Andrew
By Ingolfur Bluhdorn, Frank Krause, Thomas Scharf
By John L. Seitz
By Timothy Doyle (University of Keele, UK, and University of Adelaide, Australia), Doug McEachern (University of Western Australia)
By Arnold Nicholas
By Mike Cadman
By Robert T. Watson (Intergovernmental Panel on Climate Change)
By Nick Middleton
By Durrell, Gerald
By Anthony Anderson
By Sylvia A. Earle
By London Food Commission
By Nick Rosen
By Brian Bertram
By Seth Wynes
By A. Cannon
By Nicholas Stern (Lord Stern of Brentford, London School of Economics)
By Jack Wallington
By Simon Barnes
By Holly Farrell
By The Ramblers' Association
By George B. Schaller