Arctic Sea Ice Extent: September 9, 2021
September 9, 2021: Over the past week the sea ice has now decreased from last week by a slightly lower rate of 4.52% from the level on 09/02/2021 of 5.040 M km2 to 4.812 M km2 for this week. The rate of loss at this time is about even with that in 2017, however, and well above the …