By Danielle Celermajer
By Michael Mann
By Paula DiPerna
By David Arnold (School of Oriental and African Studies, University of London)
By Benjamin Kunkel, Lola Seaton
By Jonathan Symons
By Grinspoon, David
By Ted Nordhaus, Daniel Sarewitz, Alex Trembath
By Emilio F Moran, Rhonda Gillet-Netting
By Robert Biel
By Eugene Linden
By Danielle Celermajer, Sophie Chao
By Cox, Professor Brian, Cohen, Andrew
By Henry Shue
By elizabeth cripps
By Ghassan Hage
By Rebecca Solnit, Thelma Young Lutunatabua
By Ayana Elizabeth Johnson, Katharine K. Wilkinson
By Jim Smith, Nicholas A. Beresford
By Stephen Halliday
By Marianne E. Krasny, Keith G. Tidball, David Maddox
By Jeremy Bugler
By A. Meharg
By Mike McTee, Daniel J. Rice, Estelle Shuttleworth
By Ian Goldin (Director; Professor of Globalisation and Development, Director; Professor of Globalisation and Development, Oxford Martin School, University of Oxford)
By Richard T. Holmes, Gene E. Likens
By Charles C. Mann
By Arcus Foundation
By Alison Richard
By P. Keith Probert (University of Otago, New Zealand)