About: http://webisa.webdatacommons.org/149506367

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	Landfill gas is about 40 to 60 percent methane, with the remainder being mostly carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	biomassmagazine.com