Since 1980, arctic sea ice has decreased in volume and surface area
- As a result of global warming, summer Arctic sea ice extent is shrinking by 12.6% per decade.
- Each September, Arctic sea ice reaches its minimum extent (the area where satellite sensors show individual pixels to be at least 15% covered in ice).
- Sea ice is important because it keeps the polar regions cool and aids in climate regulation.
- However, the thickness and extent of Arctic sea ice have both decreased dramatically over the last three decades.
- Sea ice loss has the potential to accelerate global warming and alter the climate.
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