News & Stories
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
Arctic sea ice extent for June 2011 was the second lowest in the satellite data record since 1979, continuing the trend of declining summer ice cover.
NSIDC Sea Ice Today relies on sea ice extent and concentration data from satellite sensors operated by the United States Department of Defense, the Defense Meteorological Satellite Program (DMSP) Special Sensor Microwa
Arctic sea ice extent for May 2011 was the third lowest in the satellite data record since 1979, continuing the long-term decline.
Arctic sea ice declined slowly through most of April. Because of the slow decline in April, ice extent for the month as a whole did not approach record lows, as it did in March.