About: http://webisa.webdatacommons.org/77483456

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	Carbon dioxide is the most important anthropogenic ???greenhouse gas??? (it produces about 60% of present day greenhouse gas climate forcing), followed by methane (about 20%).
http://www.w3.org/ns/prov#wasQuotedFrom	noaa.gov