<http://schema.org/about>
"The problem of one-use plastic bottles has far from gone away - we're still chucking out 30 billion empties globally each year. At least a six-pack of different U.S. and Canadian cities has come up with some kind of bottled"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-food/back-to-the-tap-three-ways-to-get-fancy-water-and-skip-the-plastic-bottle.html>