The researchers found a «pronounced change» towards very low sea ice concentration in the two seas since 2004. (carbonbrief.org)
Several years had low sea ice cover in the past decade, yet most of those years were warm at middle latitude winters by 1951 - 1980 standards. (skepticalscience.com)
The region has set records for low sea ice levels and high temperatures in recent years. (scientificamerican.com)