About: http://webisa.webdatacommons.org/152189394

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	It is widely acknowledged that the earth's temperature changes in cycles and that at times in the earth's past it has been both hotter,i.e. the medieval climate optimum, and cooler, i.e. the ice age.
http://www.w3.org/ns/prov#wasQuotedFrom	economist.com