<http://schema.org/description>
"Japan has extracted natural gas from methane hydrate from offshore deposits, believed to be the first country to do so."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Business_News/Energy-Industry/2013/03/13/Japan-extracts-seabed-methane-gas/UPI-31551363195771/>