This Summer's Arctic Sea Ice Is 4th Lowest on Record

This year's minimum sea-ice extent in the Arctic was the fourth lowest since satellite observations began, NASA announced yesterday (Sept. 15). "This year is the fourth lowest, and yet we haven't seen any major weather event or persistent weather pattern in the Arctic this summer that helped push the extent lower as often happens," Walt Meier, a sea-ice scientist at NASA's Goddard Space Flight Center, said in a statement. Arctic sea ice has been in decline since at least the 1970s due to climate