<http://schema.org/about>
"Forest and farmland were now covered in a sheen of greasy oil. Drinking wells were polluted and people were distraught. No one knew how much oil had"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/gulf-spill-just-a-drop-in-the-bucket-compared-to-what-happens-every-day-everywhere-else.html>