<http://schema.org/about>
"Entrepreneurs, inventors, students, and politicians gathered in Washington, DC, this week to discuss the latest developments in and newest challenges facing renewable energy. Whether called alternative, renewable, or"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/retech-2010-negotiating-the-bumpy-path-to-a-renewable-future.html>