<http://schema.org/about>
"The world installed 31,100 megawatts of solar photovoltaics (PV) in 2012&amp;mdash;an all-time annual high that pushed global PV capacity above 100,000 megawatts. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/renewable-energy/world-solar-power-topped-100000-megawatts-2012.html>