<http://schema.org/about>
"What\u2019s the environmentally preferable choice: A real Christmas tree or a faux one? Sure, you use a fake tree over and over again, but do you really want somet"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/healthy-spaces/questions/whats-the-environmentally-preferable-choice-a-real-christmas-tree-or>