News & Stories
Across the globe, snow and ice play a vital role in regulating Earth’s climate and providing freshwater resources to people, plants, and animals.
As Earth’s frozen regions change rapidly, NSIDC is committed to growing its research and open access data to better understand these changes. Read about NSIDC research and its contribution to science and policy making. Check out spotlights on how to use NSIDC data, tools, and resources. Learn about how we steward data and collaborate with scientists and organizations across the world to understand how the frozen parts of Earth affect the rest of the planet and impact society.
News and stories
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Analysis - Snow Today
Snow-covered area for the western United States hit another record for April, the second month in a row since the satellite record began in 2001. With longer days, more sun, and increasing temperatures in the coming months, concerns arise for how quickly the snowpack may melt in California with potential for flood risks.
News Release
Algae that commonly grow on snow in the Pacific Northwest have been ignored in melt models, but their presence significantly increases snowmelt compared with clean, white snow, according to a first-of-its-kind scientific research study conducted on Mt. Baker in the North Cascades, Washington.
Analysis - Sea Ice Today
The rate of sea ice loss for April 2023 was slow, owing to cool conditions across the ice-covered Arctic Ocean and below-average to near-average temperatures near the ice edge.
Spotlight
NSIDC’s Nenana Ice Classic: Tanana River Ice Annual Breakup Dates data set provides a record of ice-breakup dates related to an annual contest that started in 1917 and remains a heated competition over a century later.
Feature Story
By Brigitta Rongstad
Ask a Scientist
Understanding how the Greenland Ice Sheet's complex water system functions is key to estimating how much meltwater it is losing and how quickly sea levels will rise.