| http://www.w3.org/ns/prov#value | - tection on an increasingly crowded planet to get to the ...By Peter Prokosch Rio+20, Victoria Regia, Victoria amazonica, Botanical Garden, Rio de JaneiroAt the Rio+20 Conference, world leaders, along with thousands of participants from governments, the private sector, NGOs and other groups, came together to discuss how we can reduce poverty, advance social equity and ensure environmental protectio
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