<http://schema.org/about>
"Do you turn off the lights that your roommate leaves on? Unplug your roommate's cellphone after it has charged up? Your eco-efforts could win you $10,000 and fr"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/responsible-living/blogs/are-you-the-greenest-roommate-of-the-year>