<http://schema.org/about>
"\nMississippi River carrying fertilizer to the Gulf of Mexico. Credit: NASA\nDead zones are areas in the ocean where there isn't enough oxygen to support life. They occur mostly near populated coastlines where more chemical nutrients (usually fertilizers)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-water/good-news-gulf-dead-zone-smaller-than-expected.html>