Center for Ocean and Ice. DMI
Information about the state of the sea and sea ice


SWIPA (Snow, Water, Ice and Permafrost in the Arctic)
Access to full report,  executive summary and films. From AMAP (Arctic Monitoring and Assessment Programme)


Background material and news about Arctic sea ice from NSIDC (National Snow & Ice Data Center, USA)


Arctic report card. Annual updates. From NOOA (National Oceanic and Atmospheric Administration)