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Climate change could destroy far more of the Arctic's frozen soil than we expected

Climate change could cause another 4 million square kilometers, or about 1.5 million square miles, of permafrost to disappear with every additional degree Celsius, or 1.8 degrees Fahrenheit, of warming, a new study suggests.

The estimate, which was published Monday in the journal Nature Climate Change, is about 20 percent higher than previous studies, the authors said.

The study suggests that if the Earth's temperatures warm 2 degrees Celsius, or 3.6 degrees Fahrenheit, higher than their preindustrial levels — the maximum amount of warming nations around the world have aimed to allow under the Paris climate agreement — more than 2.5 million square miles of permafrost could disappear.

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For the original resource listing, click here.

  1. Arctic permafrost
  2. Arctic soil
  3. climate change
  4. climate change impacts
  5. permafrost thaw

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