sea ice
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More Frequent Atmospheric Rivers Are Hindering the Recovery of Arctic Sea Ice
Giant trains of warm, moist air are playing havoc with Arctic sea ice during the season when it should be recovering from summer melting.
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What Lies Beneath Melting Glaciers and Thawing Permafrost?
As the planet’s ice disappears, it’s exposing new surfaces, opportunities, and threats — including valuable mineral deposits, archaeological relics, novel viruses, and more.
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Solar Energy Explains Fast Yearly Retreat of Southern Ocean Sea Ice
Sea ice in the Southern Ocean retreats each year much faster than it develops. This has puzzled scientists, but the explanation turns out to be simple.
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Weddell Seal Population May Be Much Lower Than Previously Thought
High-resolution satellite images allowed researchers to do a more comprehensive head count than ever before, and revealed patterns in the seals’ distribution.
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New Film Explores Combining Indigenous Knowledge and Western Science to Understand Waning Arctic Sea Ice
A launch event will include clips from the film; discussion by Iñupiaq elders, scientists and the filmmaker; and audience Q&A.
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You Asked: When Will Polar Bears Go Extinct?
A recent study provides a rough timeline, but there’s still time to save them if we cut our carbon emissions.
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Scientists and Native People Jointly Study Sea-Ice Declines Threatening Seal Hunts
Seals have been a staple for the coastal village of Kotzebue for generations. Rapid changes in sea ice driven by ocean warmth are presenting a challenge for hunters.
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Arctic Sea Ice May Make a Last Stand in This Remote Region. It May Lose the Battle.
Researchers have zeroed in on what they call the Last Ice Area, where the last year-round Arctic ice, and associated ecosystems may–or may not–survive in a warmer future.
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Increasingly Mobile Sea Ice Means Arctic Neighbors May Pollute Each Others’ Waters
The movement of sea ice between Arctic countries is expected to significantly increase this century, raising the risk of more widely transporting pollutants like microplastics and oil, according to new research.
The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.
