OXFORD, ENGLAND - JULY 12: Nobel Laureate Amartya Sen of Harvard University, speaks 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)
