
Installation view of Museum as Design Laboratory: MoMA and the Art of Advocacy at Rio Centro Conference Centre, Pavilion One, Rio de Janeiro, Brazil. Photograph by Leo Finotti. © 2012 The Museum of Modern Art
By now nearly everyone concerned is frustrated by the lack of concrete outcomes at the United Nations’ Rio+20 Conference on Sustainable Development—and the lack of firm resolve on the part of most of the participating national governments.