<http://schema.org/keywords>
"Sustainability &amp; the environment,Cargill,PepsiCo,Wal-Mart,General Mills,Campbell Soup Co.,Campbell Soup Co,Kellogg,Unilever"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.just-food.com/the-just-food-blog/wal-mart-brings-industry-together-on-sustainability_id2553.aspx>