<http://schema.org/about>
"Today is Earth Overshoot Day, but it's not exactly something we should be celebrating. It's actually a wakeup call for humanity. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/conservation/weve-already-spent-natures-budget-year-and-its-only-august.html>