<http://schema.org/about>
"By 2030, offshore wind farms may provide nearly one fifth of the European Union's electricity, making a huge jump from the 1.5 gigawatts they generate today to a staggering 150 gigawatts. The encouraging new stats were  found in a"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/offshore-wind-farms-to-power-15th-of-europe-by-2030.html>