| http://www.w3.org/ns/prov#value | - December 30, 2013 02:54 AM More than 8 million acres of China's farmland is too polluted with heavy metals and other chemicals to use for growing food, a Cabinet official said Monday, highlighting a problem that is causing growing public concern.The threat from pollution to China's food supply has been overshadowed by public alarm at smog and water contamination but is gaining attention following
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