Countdown to an ice-free Arctic: Research warns of accelerated timelines Phys.org'Ominous milestone for the planet': Arctic Ocean's 1st ice-free day could be just 3 years away, alarming study finds Livescience.comThe first ice-free day in the Arctic Ocean could occur before 2030 Nature.comArctic could see its first ice-free day before the end of the decade: Study The HillThe Arctic Could Be Functionally Ice-Free in Just a Few Years Scientific American