<http://schema.org/about>
"In continued efforts to deploy more renewable energy at its stores, Walmart announced today that it will be installing solar panels at an additional 20-30 of its stores in California and Arizona, opting at most of the locations to"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/renewable-energy/walmart-adding-thin-film-solar-panels-on-20-30-more-stores.html>