<http://schema.org/about>
"With thousands of species listed as critically endangered by the International Union for Conservation of Nature -- and some 110,000 more at risk worldwide, according to top scientists -- picking a few to focus on is a daunting task. \n\nIn its \"top 10 endan"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/slideshows/natural-sciences/whatever-tigers-and-pandas-lesser-known-endangered-species-need-help-too/>