<http://schema.org/about>
"We've been writing about wave and tidal power for over 3 years. They're very promising sources of clean energy and so we're happy to see NBC give them some mainstream coverage."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/nbc-coverage-of-wave-and-tidal-power.html>