See how Arctic sea ice is losing its bulwark against warming summers
Saturday, October 29, 2016 - 05:21
in Earth & Climate
Arctic sea ice, the vast sheath of frozen seawater floating on the Arctic Ocean and its neighboring seas, has been hit with a double whammy over the past decades: as its extent shrunk, the oldest and thickest ice has either thinned or melted away, leaving the sea ice cap more vulnerable to the warming ocean and atmosphere.