<http://schema.org/url>
<http://www.treehugger.com/green-food/meet-the-food-you-eat-measuring-carbon-footprints-with-a-kitchen-scale.html>
<http://www.treehugger.com/green-food/meet-the-food-you-eat-measuring-carbon-footprints-with-a-kitchen-scale.html>