About: http://webisa.webdatacommons.org/81497066

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	Global warming is caused by the burning of fossil fuels ??? coal, oil and natural gas ??? which sends heat-trapping gases, such as carbon dioxide, into the air, changing the climate, scientists say.
http://www.w3.org/ns/prov#wasQuotedFrom	startribune.com