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Clinton calls for pragmatic action at Rio+20

RIO DE JANEIRO (AP) -- U.S. Secretary of State Hillary Rodham Clinton called for pragmatic steps to solve global environmental problems and promote sustainable development on Friday, urging leaders attending the Rio+20 summit to partner with private-sector groups to make progress on a wide range of issues.Clinton's address came during the final day of the development summit, the largest meeting the United Nations has yet organized. The gathering has come under withering criticism from activists for what they say is the unambitious final document all nations agreed upon to put the globe on a sustainable path, promoting economic growth that doesn't devour natural resources.\In the 21st century