| http://www.w3.org/ns/prov#value | - better heard, UNEP has also launched this year the publication series, Perspectives", which will present papers and opinion pieces that will focus mainly on topics relevant to Rio+20.The Forum is taking place on the eve of UNEP's Governing Council on 20 February, when representatives from over 100 countries, including Heads of State, environment ministers, renowned scie
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