<http://schema.org/about>
"Homeowners in Austin, TX are now required to have an energy efficiency audit prior to listing their house for sale. While this is not the first city in the US to mandate such a program, that isn't making it any easier for"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/city-of-austin-mandates-home-energy-audits-to-avoid-building-new-power-plant.html>