<http://schema.org/about>
"On our current trajectory, we stand to overshoot every global warming ceiling. 350.org's current \"Fossil Free\" campaign targets campus investment in oil stocks,"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/blogs/bill-mckibben-goes-after-big-oil>