About: http://webisa.webdatacommons.org/291898862

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	Most of the scientific evidence we have of past abrupt climate changes comes from a variety of sources, including tree rings, pollens, ice caps, and the sediment record.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceprogress.org