By Jackson, Eugene, Rubio, Antonio
By Seif Ibrahim Tag El-Din
By Aicken, Michelle, Page, Stephen J., Ryan, Chris
By Scott, A.A.
By Usunier, Jean-Claude
By Berkman, Paul Arthur, Vylegzhanin, Alexander N.
By Buechler, Simone Judith
By San-Jose, Leire, Retolaza, Jose Luis, van Liedekerke, Luc
By Fernando, Mario
By Nilekani, Nandan, Friedman, Thomas L.
By Alessandro Bonanno, Lawrence Busch, William Friedland, Lourdes Gouveia, Enzo Mingione
By Czerniawska, Fiona, Potter, G.
By Scollon, Ron, Suzanne Wong
By Landis, Daniel (Dan) R., Bennett, Janet M, Milton
By Weightman, Gavin
By MacPherson, Lisa
By Lawler, Kevin
By Watts, Michael, Glew, Matthew
By Mitchell, Margaret
By United Nations Development Programme
By Tamer Cavusgil, Gary Knight, John Riesenberger, Cavusgil, Tamer, Knight, Gary, Riesenberger, John
By Bailey, Roy E.
By United Nations Environment Programme
By Suder, Gabriele
By Branch, Alan
By Blake, David H., Walters, Robert S.
By Kettell, Brian
By Koster, Kathrin
By Salamon, Mike