About: http://webisa.webdatacommons.org/69632157

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	Everyone knows that carbon dioxide is a greenhouse gas that has been called a key source of global warming.
http://www.w3.org/ns/prov#wasQuotedFrom	nieonline.com