"As governments clearly fumbled in the face of the complex challenges of imagining and building a more equitable and sustainable economic growth model in the decades ahead, I saw senior business executives and leaders of civil society engaged in intelligent and productive dialogue about difficult issues," writes Paulo Sotero.

Follow the events of Rio+20: United Nations Conference on Sustainable Development

Former Public Policy Scholar and author of "The Unconquered", Scott Wallace, writes on deforestation in the Amazon.