About: http://webisa.webdatacommons.org/246247625

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 greenhouse effect is caused by atmospheric gases such as carbon dioxide, methane, fluorocarbon and other compounds and it is estimated that half to three quarters of the greenhouse effect is from carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov.tw