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

Filter by:
Figure 4. This Moderate Resolution Imaging Spectroradiometer (MODIS) true-color Arctic mosaic image for July 7, 2015 shows surface melting on the northwest coast of Greenland as well as areas of surface melt on Arctic sea ice.
Analysis - Ice Sheets Today
Warm conditions arrived on the Greenland Ice Sheet in late June, causing a sudden spike in melting that increased in early July and led to a sharp reduction in surface albedo (brightness of the snow). However, as of mid-July surface melt remained less extensive than during 2012, the record melt summer.
Analysis - Sea Ice Today
Arctic sea ice extent for June 2015 was the third lowest in the satellite record. June snow cover for the Northern Hemisphere was the second lowest on record. In contrast, Antarctic sea ice extent remained higher than average. The pace of sea ice loss was near average for the month of June, but persistently warm conditions and increased melting late in the month may have set the stage for rapid ice loss in the coming weeks.
Figure 1: Greenland maps
Analysis - Ice Sheets Today
The Greenland Ice Sheet began 2015 (January 1 to May 31) with cooler-than-average conditions and higher-than-average snowfall accumulation, related to a near-continuous positive North Atlantic Oscillation (NAO) index pattern through the period.
Analysis - Sea Ice Today

Melt season is underway, and sea ice in the Arctic is retreating rapidly. At the end of May, ice extent was at daily record low levels.

Analysis - Sea Ice Today

As winter turns to spring, the seasonal decline in Arctic sea ice kicks into gear. April was marked by rapid ice loss at the beginning and end of the month. Air temperatures were higher than average over much of the Arctic Ocean.