<http://schema.org/about>
"Supermarket chain Sainsbury's has already started turning waste food into electricity, keeping bees at its flagship eco-store, delivering groceries by barge and even selling solar panels"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/smart-grid-technology-to-slash-supermarket-emissions.html>