<http://schema.org/alternativeHeadline>
"Before the plastic shopping bag can settle into a life of ease in the Pacific ocean it must first navigate its way past dogs, park rangers, and tree branches."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/blogs/the-journey-of-the-plastic-shopping-bag>