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The Long Decline of Arctic Sea Ice
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Published January 6, 2021
Forty years of satellite data show that 2020 was just the latest in a decades-long decline of Arctic sea ice.
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Arctic Sea Ice Reaches Second-Lowest Extent
Published September 22, 2020
The Arctic sea ice extent continues its long-term downward trend.
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Arctic Lows
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Published August 5, 2020
Record-low sea ice in July 2020 could be further depleted by a low-pressure system that developed over the Arctic Ocean.
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Unusual Weather Leads to Ozone Low Over the Arctic
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Published April 16, 2020
While such low concentrations of ozone are unusual, they are not unprecedented.
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Sea Ice Below Normal Despite a Seasonal Bump
Published March 24, 2020
Slight recoveries in the extent of sea ice at both poles were not enough to return to long-term normal levels.
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Polar Bears Struggle as Sea Ice Declines
Published February 4, 2020
A new study shows that polar bears are spending less time on sea ice, leading them to fast longer, become thinner and have fewer cubs.
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