Amount of multi-year sea ice is currently a *record low* for the date (see https://t.co/Q1aGo29dBA)
— Zack Labe (@ZLabe) August 20, 2021
"This loss of the oldest and thickest ice in the Arctic Ocean is one of the reasons why the summer sea ice extent has not recovered, even when weather conditions are favorable..." pic.twitter.com/Oy9VUG9fN6