Arctic On Thin Ice
Down To Earth
|February 01, 2021
NO PLACE felt the heat in 2020 like the Arctic and its surrounding seas. Its ice cover melted to its second-lowest annual minimum extent of 3.74 million km2 in summer, while the freeze-up in autumn saw a sluggish start.
The Arctic sea ice minimum is the given day in a year when the ice cap reaches its minimum extent. The lowest annual minimum recorded so far was 3.41 million km2 in 2012.
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