About: http://webisa.webdatacommons.org/384594234

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 is true that water vapor, CO2, methane, and other trace gases are known to exert a ???greenhouse??? warming effect upon the Earth.
http://www.w3.org/ns/prov#wasQuotedFrom	jbs.org