About: http://webisa.webdatacommons.org/247840301

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	CO2 is a trace gas and its concentration has risen from 0.03% 100 years ago to 0.04% now.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com