<http://schema.org/about>
"The  Earth Policy Institute  reports that \"This year's world grain harvest is projected to fall short of consumption by 61 million tons, marking the sixth time in the last seven years that production has failed to satisfy demand.  As a result of"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/cars/grain-based-ethanol-risk-hinges-on-supply-projections.html>