Arctic sea ice extent in February lower than average but higher than in recent years
Arctic sea ice extent in February was well below average, but at the end of the month it was still
Read moreArctic sea ice extent in February was well below average, but at the end of the month it was still
Read moreNow that Arctic sea ice has begun its annual melt after reaching a record-low winter maximum extent earlier this month,
Read moreThe first six months of 2016 were the planet’s warmest since meteorologists started keeping records in the late 19th century,
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