Body: UNEP has published an overview on changes and progress since the first Rio summit in 1992, Keeping Track of Our Changing Environment: from Rio to Rio+20. A product of the GEO5 process. Organizations: UNEPRio +20Themes: sustainable development John Jackson's blog Add new comment You must have JavaScript enabled to use this form. Your name Subject feed me To prevent automated spam submissions leave this field empty. CAPTCHAThis question is for testing whether or not you are a human visitor and to prevent automated spam submissions. What code is in the image? * Enter the characters shown in the image.
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