About: http://webisa.webdatacommons.org/186409387

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	Your last sentence makes you sound like you think CLEAN air is a PROBLEM...
http://www.w3.org/ns/prov#wasQuotedFrom	economist.com