<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/12/55091a3d1b46d-plastic20food20container20resized.jpg>
<http://www.goodhousekeeping.com/institute/a18580/green-trash-reusable-disposable-eliminate/>