<http://schema.org/about>
"Calling all pescatarians! Annie Scott reports on the problem with tuna in \"Conversation With Sylvia Earle: You'll Never Eat Tuna Again.\""^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/top-stories-from-tonic-say-no-to-tuna-yes-to-coke-and-proceed-with-caution-toward-robert-pattinson.html>