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As climate changes, how do Earth's frozen areas affect our planet and impact society?
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![Light reflects off Arctic sea ice. Light reflects off Arctic sea ice.](/sites/default/files/styles/content_wwo_desktop/public/images/NASA%20sea%20ice%20full%20size_2.jpg.webp?itok=FcYfCF-X)
News Release
Arctic sea ice has likely reached its minimum extent for the year at 4.67 million square kilometers (1.80 million square miles) on September 18, 2022, according to scientists at the National Snow and Ice Data Center (NSIDC) at the University of Co
![Figure 1a Figure 1a](/sites/default/files/styles/content_wwo_desktop/public/images/Other/GrnToday_Sept2022_Fig1-1-01.png.webp?itok=_koBsT79)
Ice Sheet Analysis
As most of the western United States baked under a prolonged, record-setting heatwave at the beginning of September, Greenland also underwent a very unusual late-season melt event.
![Arctic sea ice Arctic sea ice](/sites/default/files/styles/content_wwo_desktop/public/images/Other/Arctic_sea_ice.jpg.webp?itok=BWaGKB3E)
Spotlight
On Wednesday, August 24, at 12 p.m. MDT/ 2 p.m.
![Figure 3c Figure 3c](/sites/default/files/styles/content_wwo_desktop/public/images/Other/Figure3c.gif.webp?itok=UHWkV8zA)
Ice Sheet Analysis
A moderate melt surge swept across northern Greenland and then encompassed much of the ice sheet perimeter in mid-July. Overall, the 2022 summer season in Greenland continues at a modest pace relative to the past few years.
![A photograph of the edge of an ice shelf in Antarctica A photograph of the edge of an ice shelf in Antarctica](/sites/default/files/styles/content_wwo_desktop/public/images/Aerial%20Photo-AMIGOSberg-Refreezing.jpg.webp?itok=m6XxAhka)
Spotlight
Welcome to the new NSIDC.org! Our website now offers an even more intuitive and efficient interface to allow users from all different backgrounds to discover and analyze over 1400 data sets and gain expert-verified knowledge about the cryosphere.
![Reindeer herder in Siberia Reindeer herder in Siberia](/sites/default/files/styles/content_wwo_desktop/public/images/Other/pexels-ganimat-pashazade-10423229.jpg.webp?itok=fm6nHNrX)
Feature Story
From 2020 to 2024, the Arctic Rain on Snow Study (AROSS) at the National Snow and Ice Data Center (NSIDC) hopes to quantify and better understand rain on snow and its impacts.