On Feb. 13, 2017, the combined Arctic and Antarctic sea-ice numbers were at their lowest point since satellites began to continuously measure sea ice in 1979.
ABoVE Campaign to Examine Climate Change in Arctic
As part of a broad effort to study the environmental and societal effects of climate change, NASA has begun a multiyear field campaign to investigate ecological impacts of the rapidly changing climate in Alaska and northwestern Canada, such as the thawing of permafrost, wildfires and changes to wildlife habitats.