About: http://webisa.webdatacommons.org/85456391

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 has been known about since the early 19th century - gases in the atmosphere such as carbon dioxide, methane and water vapour trap heat from the sun, causing the climate of the planet to heat up over time.
http://www.w3.org/ns/prov#wasQuotedFrom	wsm.ie