claim: Arctic sea ice has been retreating over the past 30 years.
evidences.evidence_id: Arctic:19
evidences.article: Arctic
evidences.evidence: Due to the poleward migration of the planet's isotherms (about 56 km (35 mi) per decade during the past 30 years as a consequence of global warming), the Arctic region (as defined by tree line and temperature) is currently shrinking.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Global warming:150
evidences.article: Global warming
evidences.evidence: Global warming has led to decades of shrinking and thinning of the Arctic sea ice, making it vulnerable to atmospheric anomalies.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Global warming:2008
evidences.article: Global warming
evidences.evidence: "What drove the dramatic arctic sea ice retreat during summer 2007?".
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Sea ice:115
evidences.article: Sea ice
evidences.evidence: A composite record of Arctic ice demonstrates that the floes' retreat began around 1900, experiencing more rapid melting beginning within the past 50 years.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Sea level rise:492
evidences.article: Sea level rise
evidences.evidence: "Antarctica ice melt has accelerated by 280% in the last 4 decades".
evidences.votes: SUPPORTS NOT_ENOUGH_INFO