‘Ominous milestone for the planet’: Arctic Ocean’s 1st ice-free day could be just 3 years away, alarming study finds_675452a18dc8f.jpeg 0ca0367fc2919cb68940ca8da0bfb608 Continue Reading Previous: ‘Ominous milestone for the planet’: Arctic Ocean’s 1st ice-free day could be just 3 years away, alarming study finds