<http://webisa.webdatacommons.org/141665345>	<http://www.w3.org/ns/prov#value>	"methane, which comes from such sources as agriculture, landfills and natural-gas leakage;" .
<http://webisa.webdatacommons.org/141665345>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/141665345>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<duke.edu> .
<http://webisa.webdatacommons.org/prov/483262312>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/141665345> .