<http://schema.org/about>
"With the UK's chief scientist warming of a looming food crisis, and with consumers around the world changing their eating habits in the face of increasing prices, the need to find alternatives to our current food system"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-food/uk-town-embraces-urban-farming-on-a-massive-scale.html>