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As climate changes, how do Earth's frozen areas affect our planet and impact society?
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Beyond snow and ice data, the NASA NSIDC Distributed Active Archive Center (DAAC) archives and distributes soil moisture data sets that directly support American agriculture.
Spotlight
A statement from the National Snow and Ice Data Center and the Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder
Analysis - Ice Sheets Today
A strong and persistent melt event occurred in southern Greenland in mid-August 2025, preceded by extensive rain in the same area. Snow cover following the rain events covered the lower elevation bare ice areas along the western side, brightening the surface again.
Analysis - Sea Ice Today
At the end of July 2025, daily sea ice extent in both hemispheres ranked third lowest in the 47-year satellite record. For most of the month, Arctic sea ice extent tracked close to levels recorded for 2012, the record-low-September year.
Spotlight
A new study from the international Arctic Rain on Snow Study (AROSS), led by NSIDC, zooms out for an Arctic-wide perspective on how often precipitation falls as snow or rain, and how snow-to-rain ratios are changing.
Analysis - Ice Sheets Today
A moderately intense melt season for the Greenland Ice Sheet has continued in July, with an extended period of high temperatures and coastal melting in mid-July where nearly half of the ice sheet experienced melt.