<http://schema.org/about>
"TreeHugger believes that everyone can do something every day to make our world a greener place; there are hundreds of ways to do this, so where should you start? Donnachadh McCarthy, one of Britain's leading expert in green living, believes seven days"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/seven-days-to-green-your-life.html>