| http://www.w3.org/ns/prov#value | - RIO DE JANEIRO, 14 June 2012 (IRIN) - ???The pace is too slow??? and ???there is a lack of urgency???, grumbled a negotiator as preparatory talks on the final political outcome document limped back into motion on 13 June at the UN Conference on Sustainable Development, also known Rio+20, in Rio de Janeiro, Brazil.
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