By Great Britain: Department of the Environment, Transport and the Regions
By A. Meharg
By Eugene Linden
By Marguerite S. Shaffer, Phoebe S. K. Young
By William M. Adams
By William Sweet (IEEE Spectrum magazine)
By Mark Watson
By Dunn, Christopher
By Peter Senge
By Siddarth Shrikanth
By Mya-Rose Craig
By Bram Buscher, Robert Fletcher
By Jonathan Crary
By Drew, Patrick, Tutu, Archbishop Desmond
By Meadows, Donella H., Dennis L., Randers, Jorgen
By Marriott, James, Minio-Paluello, Mika
By Elizabeth A. Johnson
By Kimmerer, Robin Wall
By Mance, Henry
By Emilia A. Leese, Eva J. Charalambides
By Sebag, Roy
By Benson, John
By Wilde, Mo
By Watson, Mark
By Pearce, Fred
By Craig, Mya-Rose
By Hinchliffe, Steve, Blowers, Andrew, Freeland, Joanna R.
By Maria Mies, Vandana Shiva
By Cayan, Daniel R., Moser, Susanne, Franco, Guido, Hanemann, Michael, Jones, Myoung-Ae