About: http://webisa.webdatacommons.org/433648776

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	Greenhouse gases, including carbon dioxide, methane, nitrogen oxide (as N2O, nitrous oxide), and hydrofluorocarbons, trap heat in the Earth???s atmosphere in a process known as the ???greenhouse??? effect.
http://www.w3.org/ns/prov#wasQuotedFrom	ourair.org