<http://schema.org/about>
"Hydrogen, touted by many sources as the carbon neutral \"energy of the future\", has been receiving more and more attention lately in both environmental circles and the popular press. Although not everyone is convinced hydrogen is the solution to our"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/a-worlds-first-hydrogen-generation-plant-in-japan.html>