OXFORD, ENGLAND - JULY 12: Hans Rosling, Statistician & Founder of Gapminder speaks about the impact of growing global population on resources at the ReSource 2012 conference on July 12, 2012 in Oxford, England. ReSource 2012 is a 2 day ground-breaking forum on resource scarcity and volatility, dedicated to engaging the financial and business community on the issues of food, water, energy supply and global growth. (Photo by Matthew Lloyd/Getty Images for ReSource 2012)
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