<http://schema.org/about>
"Dear Pablo: What will be the environmental impact of the digital television transition? I haven't been able to find any numbers on the increased electricity use from the digital converter boxes."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/how-will-the-digital-television-transition-impact-the-environment.html>