Download or read book Keeping Track of Our Changing Environment from Rio to Rio + 20 (1992-2012). written by United Nations Environment Programme and published by UN. This book was released on 2011 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: This innovative publication, which is based on statistical evidence, illustrates major global environmental, economic and social changes since 1992. The numbers tell the story of how, in twenty years, the world has changed more than most of us could have ever imagined. The report has been produced within the framework of UNDP's fifth Global Environment Outlook assessment report, which will be published in May 2012 in advance of Rio+20.