<http://schema.org/about>
"Only yesterday I lamented the fact that too many TreeHuggers are overly focused on individual carbon footprints as a metric for success. So what should I make of news from The Guardian that a heart bypass operation"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/whats-the-carbon-footprint-of-a-heart-bypass-who-cares.html>