By Raw, Michael, Atkins, Peter
By Bruce A. Ackerman, William T. Hassler
By Ned Jolliffe
By Mayer Hillman, Tina Fawcett
By Malcolm Pratt, Malcolm Pratt
By george cansdale
By Edward O. Wilson (Harvard University)
By Carlo Mari
By Jacquet, Luc
By Les Stocker
By J.E. Cooper
By Mark Carwardine, The Natural History Museum
By Gerald Durrell
By Joseph E. Stiglitz, Mary Kaldor
By Jackson, Tom
By Jennifer S. Holland
By Terry Glavin
By Niki Brantmark
By John Lewis-Stempel
By Alastair Fothergill, Keith Scholey, Fred Pearce, David Attenborough
By Scott Weidensaul
By Katherine Rundell, Talya Baldwin
By Ian Mitchell
By Adriana Petryna
By Rob Jackson
By Henning Steinfeld, Food and Agriculture Organization
By Wayne Visser
By John Vaillant
By Jean-Francois Rischard
By Jemima Parry-Jones, MBE (Author)