About: http://webisa.webdatacommons.org/406504587

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 presence and concentration of the deadly gases, such as carbon dioxide, methane, nitrous oxide, chlorofluorocarbons have increased.
http://www.w3.org/ns/prov#wasQuotedFrom	articlesgratuits.com