The base of field operations was the German icebreaker Polarstern ... Spring 2020 saw remarkable sea ice melt in the Arctic: The National Snow and Ice Data Center at CU Boulder, also part of CIRES, ...

Alexandra Jahn, a climatologist with the University of Colorado Boulder who was part of the study, said: "The first ice-free day in the Arctic won't change things dramatically but it will show ...

University of Colorado Boulder As global temperatures rise due to increasing greenhouse gas emissions, Arctic sea ice has been disappearing at an unprecedented rate of over 12 % per decade.