<http://schema.org/about>
"Chances are that you have logged into Facebook today -- maybe it's open in another tab of your Internet browser right now -- but at what cost to the environment? A new video from Greenpeace is urging to social-media giant to change its dirty ways by"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/greenpeace-urges-facebook-to-unfriend-coal-video.html>