About: http://webisa.webdatacommons.org/262898034

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	Over one hundred and fifty years ago John Tyndall discovered that carbon dioxide was a greenhouse gas.
http://www.w3.org/ns/prov#wasQuotedFrom	democraticunderground.com