About: http://webisa.webdatacommons.org/158846232

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 largest CO2 sources are the burning of fossil fuels, including natural gas, oil, and coal, and changes in land usage: clearing of forests, draining of swamps, and ??expansion of agricultural areas.
http://www.w3.org/ns/prov#wasQuotedFrom	worldoceanreview.com