<http://schema.org/url>
<http://www.treehugger.com/clean-water/diy-composting-toilets-and-humanure-the-pee-poop-show-video.html>
<http://www.treehugger.com/clean-water/diy-composting-toilets-and-humanure-the-pee-poop-show-video.html>