<http://schema.org/about>
"Cities may account for two-thirds of global energy usage and over 70% of global carbon emissions, but we know they don't have to be enemies of the environment. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/in-nyc-tonight-cities-as-green-engines.html>