Global Arctic

wk 1 at some point in the future, given current trends, maybe 50 or 100 years out, seaice mmight disappear from the Arctic while the ice cover would stay in Groenland, it’s up to 2 kms thick. Proportions of ice.

Retreating ice poses a problem to animals like the walrus, it may no longer insist over the continental shelf, 200 mt deep sea rich of marine life. Instead it may insist over the deep ocean where the walrus can’t fish, the walrsu loses the chance to be on ice

Melting permafrost creates holes, sort of craters called thermokarsts. Also methane explosions

melted permafrost might green, but might not green for example becasue warming brings witer rain which creates ice covers

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