By Bobbie Kalman
By Emma Marris
By Raj Patel, Jason W. Moore
By H. Jeong
By Steven Bernstein
By Pamela M. Barnes, Ian G. Barnes
By G. Jordan
By John Foster (Lancaster University, UK)
By Mary Robinson
By Paul Waddington
By H. Griffiths, J.A.C. Smith
By Beverley Glover (Professor of Plant Systematics and Evolution, Professor of Plant Systematics and Evolution, Department of Plant Sciences, University of Cambridge)
By Vybarr Cregan-Reid
By Nick Rosen
By Chapman, Jenny, Reiss, Michael
By Natalie Fee
By Claire Potter
By Jonathan Drori, Lucille Clerc
By P A CARSON
By James H. Brown, Arthur C. Gibson, Mark V. Lomolino, Mark V. Lomolino (University of Oklahoma, USA)
By Peter Haas
By Juanita Constible, Luke Sandro, Richard E. Lee, Jr.
By Ilse Koehler-Rollefson, Fred Provenza
By Susan L. Woodward
By ML Hunter
By George Monbiot
By Gilbert White, Anne Secord (Associate Editor, Darwin Correspondence Project, University of Cambridge)
By Colin Beavan
By Vandana Shiva
By Jason W. Moore