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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	dharma03-03-2009, 05:29 PMWhether one believes CO2 levels in the atmosphere are a leading or trailing indicator, we have not been at 450ppm for millions of years.
http://www.w3.org/ns/prov#wasQuotedFrom	thisbluemarble.com