By Conroy, Czech, Litvinoff, Miles
By Han Suyin, Suyin, Han, Hussein, Aamer
By Joanne O'Brien, Martin Palmer
By Michael Mason
By Paul Demeny, Geoffrey McNicoll
By Donald Bruce, Ann Bruce
By United Nations Environment Programme
By Real World Coalition
By Maggie Black, Jannet King
By Dan Smith
By David Reed
By Timothy M. Swanson, Edward Barbier
By JOHN KIRKBY, Phil O'Keefe, Lloyd Timberlake
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By Ian Scoones
By Martin Parry, Timothy Carter
By Tony Brenton
By Jonathon Porritt
By Jules Pretty
By Michael Edwards
By Paul Hawken, Amory B. Lovins, L. Hunter Lovins
By Stephen Bass, Barry Dalal-Clayton
By William M. Adams
By Gwyn Prins, Robert Stamp
By Ernst Ulrich von Weizsacker, Oran R. Young (University of California Santa Barbara, USA), Matthias Finger, Marianne Beisheim
By Berkeley Hill (Imperial College, University of London, UK)
By Marc Lappe, Britt Bailey, Tim Lang (Professor of Food Policy, Thames Valley University)
By Urdang, Stephanie
By Brown, Lester R., Kane, Hal