claim: As a result, the polar ice caps were quite likely more extensive than they had been since at least the 1920s.
evidences.evidence_id: Cambrian:45
evidences.article: Cambrian
evidences.evidence: There were likely polar ice caps and a series of glaciations, as the planet was still recovering from an earlier Snowball Earth.
evidences.votes: REFUTES NOT_ENOUGH_INFO
evidences.evidence_id: Ice age:4
evidences.article: Ice age
evidences.evidence: In the terminology of glaciology, ice age implies the presence of extensive ice sheets in both northern and southern hemispheres.
evidences.votes: REFUTES NOT_ENOUGH_INFO
evidences.evidence_id: Ice age:89
evidences.article: Ice age
evidences.evidence: There were extensive polar ice caps at intervals from 360 to 260 million years ago in South Africa during the Carboniferous and early Permian Periods.
evidences.votes: REFUTES NOT_ENOUGH_INFO
evidences.evidence_id: Polar ice cap:16
evidences.article: Polar ice cap
evidences.evidence: Both 2008 and 2009 had a minimum Arctic sea ice extent somewhat above that of 2007.
evidences.votes: REFUTES NOT_ENOUGH_INFO
evidences.evidence_id: Polar ice cap:29
evidences.article: Polar ice cap
evidences.evidence: The single-day maximum extent in 2014 was reached on 20 Sep, according to NSIDC data, when the sea ice covered 7.78 million square miles (20.14 million square kilometers).
evidences.votes: REFUTES SUPPORTS