<http://schema.org/about>
"The White House may have plans to reinstall solar panels on its roof but across the country another of the world's iconic landmarks is perfectly positioned to harness the energy of the sun."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/planet-100-is-it-time-to-solar-the-sign-video.html>