<http://schema.org/about>
"The Humane Society of the United States complains to the Securities &amp; Exchange Commission that Smithfield Foods is overselling its sustainability record."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/smithfield-foods-mcdonalds-pork-supplier-faces-sec-complaint.html>