<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Business_News/Energy-Industry/2012/06/19/US-Russia-view-arctic-environment/72221340107209/>
<http://www.upi.com/Business_News/Energy-Industry/2012/06/19/US-Russia-view-arctic-environment/UPI-72221340107209/?st_rec=91671346150459>