<http://schema.org/about>
"Reintroducing wolves into native habitats, researchers from the National Park Service write in the latest issue of BioScience, can help restore damaged ecosystems. Doing so in national parks and other areas, they"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/wolves-can-help-restore-ecosystems.html>