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A summertime channel carries melted ice to the sea. Antarctica and Greenland lose around 350 billion tons of ice each year from such melting.
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Ice Melt at the Poles

 It’s confirmed: both Antarctica and Greenland are losing ice—around 350 billion...
On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
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Sea Level Rise

 The ocean never stops moving. When you visit the beach, waves roll in and recede...