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If techniques like those used at Venture Point are widely adopted, fish farming could become sustainable while remaining profitable. If methods don't change, either voluntarily or by government regulation, we may get plenty of fish and shrimp to eat--at least for a while--but lose the wild stocks they came from and the clear blue waters in which they once swam.

--With reporting by Andrea Dorfman/New York, Christobal Edwards/Santiago, Stefanie Friedhoff/Walpole, Maine, Helen Gibson/London, Mike Goettig/Kunming, Robert Horn/Bangkok, Frank Sikora/Birmingham and Jiang Xueqin/Wuxi

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Developed for the World Economic Forum by Professor Xavier Sala-i-Martin, the Global Competitiveness Index (GCI) measures the competitiveness of nations using economic statistics and extensive polling of international business leaders.

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Secretary of State HILLARY CLINTON, responding to NATO pledging an additional 7,000 troops to the war in Afghanistan. Clinton also acknowledged that "our people are weary of war" and cited President Obama's pledge to begin withdrawing U.S. forces in July 2011
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