<http://schema.org/about>
"Dr. Peter Gleick is a water expert at the Pacific Institute who is very vocal about the state of fresh water supplies in the US. Recently he wrote about the debate in California on if some threatened species need to be allowed to go extinct to allow"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/the-limits-of-laws-as-a-conservation-tool.html>