<http://schema.org/about>
"Google Earth has become a great resource for environmentalists, and now it might be even easier for those people focused on our ocean's health to monitor the deep blue"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/google-earth-adds-sea-floor-to-maps-and-imagery.html>