During the third week of June 2012, the United Nations will convene Rio+20, officially known as the UN Summit on Sustainable Development (UNSSD), to celebrate the 20th anniversary of the UN Conference on Environment and Development held in Rio de Janeiro in 1992. Rio+20 will be the fourth in a series of global UN conferences on environment, natural resources, and sustainability, which began with the Stockholm Summit on the Human Environment in 1972, then the World Commission on Environment and Development in 1992, and the the Johannesburg World Summit on Sustainable Development in 2002.
View Full Text (subscription required)