<http://schema.org/about>
"The United States has a long road ahead in transforming its electrical generation to greener sources of power, no doubt about that. But not every nation faces the same energy"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/green-vs-brown-5-countries-using-plenty-of-renewable-energy-5-who-use-none.html>