<http://schema.org/about>
"Just because you go on vacation doesn't mean your carbon footprint will take a break, too; while things like the impact of aircraft carbon emissions are large (with one exception), obvious and often calculated, the impact small things like the chintzy"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/reduced-carbon-footprint-souvenirs-a-whole-new-way-to-give-gifts.html>