Warnings Resound as World Leaders Gather at Rio+20

Rio de Janeiro, Brazil, June 20, 2012 (ENS) - More than 100 heads of state and government today gathered in Rio de Janeiro for the start of the United Nations Conference on Sustainable Development, Rio+20. The summit seeks to shape new policies to promote global prosperity, reduce poverty and advance social equity and environmental protection in the face of warnings that the ecological basis of life is coming undone.