About: http://webisa.webdatacommons.org/139879759

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	It could be a relatively clean source of fossil fuel energy because CH4, methane, is a pretty clean fossil fuel.
http://www.w3.org/ns/prov#wasQuotedFrom	nsf.gov