About: http://webisa.webdatacommons.org/174735664

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Natural Gas (CH4) only releases CO2 and H20 upon combustion...no other chemicals like sulfur, mercury or other similarly nasty chemicals to have in the air.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org