<http://schema.org/description>
"U.S. scientists said areas near Canada's oil and gas production zones are heavily polluted and residents suffer elevated levels of different cancers."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2013/10/26/Pollution-debated-in-Canadas-oil-fields/UPI-79791382812683/?spt=nil&d=n>