By Robert T. Watson (Intergovernmental Panel on Climate Change)
By Charles Lewis Taylor, Michael C. Hudson, David A. Jodice
By Joan Lipscombe, Bill Williams
By Collins GCSE
By the editors of Time-Life Books, of Time-Life Books
By Philip Abrams, etc.
By Norman Birnbaum
By Martin Bulmer
By Benson, Leslie
By Rein, Martin
By Paul Thompson
By Sandor Halebsky
By John Westergaard, Henrietta Resler
By Stanislaw Ossowski, Sheila Patterson
By Clegg, Stewart R
By Brown, Philip, Ashton, D.N.
By Castells, Manuel
By Tim Lang (Professor of Food Policy, City University, London, UK), David Barling (Senior Lecturer, Centre for Food Policy, Martin Caraher (Associate Dean and Reader in Food and Health Policy
By Caitlin Matthews, John Matthews
By Anthony Anderson
By gilbert adair
By Darejan Kacharava, Guram Kvirkvelia, Jennifer Y. Chi, Anna Chqonia, Nino Lordkipanidze
By Rich, Adrienne
By Christopher Bird
By Rob Webb, Hal Westergaard, Keith Trobe, Liz Steel
By Marie-Anne O' Dwyer, Annalise White
By Rob Webb, Keith Trobe