<http://schema.org/about>
"\nPinning Polluters to the Map\nThe Planet Hazard website takes data from the U.S. Environmental Protection Agency and makes it easy to read by putting it up on Google maps. Because is maps 86,320 polluters, browsing the data can be a bit overwhelming, but"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/planet-hazard-mapping-air-pollutants-in-the-us.html>