About: http://webisa.webdatacommons.org/453564065

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	But you can demonstrate in a lab that carbon dioxide is a greenhouse gas and the amount of carbon dioxide in the air can be measured.
http://www.w3.org/ns/prov#wasQuotedFrom	melissablogs.com