Ban Ki-moon: the momentum for change at Rio+20 is irreversible

Guardian: This week, world leaders gather for a momentous occasion – the United Nations Conference on Sustainable Development in Rio de Janeiro. Will it be a success? In my opinion, yes. To be sure, the negotiations have been lengthy. Even now there is more disagreement than agreement on the details of the so-called "outcome document" that will emerge. Yet that will not be the defining measure. Far more important is what the Rio conference has already accomplished. And that is to build a global movement for...

URL: http://www.guardian.co.uk/environment/2012/jun/18/rio-20-ban-ki-moon