Each line represents one year of #Arctic sea ice thickness from 1979 [dark blue] to 2020 [dark red]. This year is shown in yellow - updated through July.
— Zack Labe (@ZLabe) August 24, 2021
It's thinning 🧊
+ More visuals: https://t.co/uzWknWmNnX pic.twitter.com/qSYAFvrHuD