About: http://webisa.webdatacommons.org/178120534

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	The main anthropogenic sources are from combustion in transportation, industry and the electric power generation sectors, whereas emissions from natural sources are mainly from forest fires, lightening and soil microbial activity.
http://www.w3.org/ns/prov#wasQuotedFrom	ec.gc.ca