Purdue researcher: Income to become dominant driver of global food system

According to a researcher at Purdue University per capita income is set to eclipse population growth as the main cause of change in the global food system. Thomas Hertel suggests that for the first time in human history, income will surpass population growth as an influencer on good security. In addition, Hertel views technological development as the key to future food security by providing more employment and higher incomes in many parts of the developing world. 

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