Temps in the Arctic have been more than 20°C above average creating periodic open water in normally hard-frozen sea ice in the dead of winter: https://t.co/mF6M61bAPz#ClimateChange is here. Let's do something about it#ActOnClimate #climate #energy #climatestrike #GreenNewDeal pic.twitter.com/GPkg9usniM

— Mike Hudema (@MikeHudema) March 6, 2019

Continued warming
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of the Arctic
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atmosphere and ocean
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is driving broad change in the environmental system
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in predicted and, also, in unexpected ways.
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Arctic Report Card