About: http://webisa.webdatacommons.org/60216721

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	There is a big difference -- CO2 is a trace gas, relatively easy to change its conc'n. nt
http://www.w3.org/ns/prov#wasQuotedFrom	democraticunderground.com