<http://schema.org/about>
"The Exxon Valdez incident will always be etched in the collective memory as one of the most horrendous environmental disasters of the last half century. At the very least, the 1989 oil spill into Alaska's Prince William Sound was a vivid example of one"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/alaskas-prince-william-sound-or-brooklyns-newtown-creek.html>