About: http://webisa.webdatacommons.org/443670377

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	The Earth has been in a glacial period for the last 3 million years, including some sixty separate glacial advances and retreats.
http://www.w3.org/ns/prov#wasQuotedFrom	humanevents.com