<http://schema.org/about>
"Some artificial islands seem necessary. Some just are and some are excessive. And some may sustain human life in the future. Yesterday LiveScience reminded us of a promising idea that we covered earlier: creating rig-like islands"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/renewable-energy-islands-at-sea-to-power-cities-produce-fresh-water-and-more.html>