<http://schema.org/about>
"It's literally one of the cheapest, easiest things you can do to save energy and reduce your carbon footprint. Your lightbulb burns out, you go to the store, and you buy a Compact Fluorescent Light bulb to replace it."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/cfl-sales-plummeting-in-the-us-right-when-they-could-help-most.html>