Understanding Rio+20JOHANNESBURG, 3 April 2012 (IRIN Global) - A Nobel laureate, a Swedish environmentalist’s idea, the “doughnut” concept, Scandinavia’s sense of social capital, measuring the quality of life, and valuing the oceans are just some of the things trending in the run-up to the Rio+20 UN Conference on Sustainable Development due to be held on 20-22 June 2012. full report |