From September 1985 (start of Arctic sea ice age records) to September 2021:
— Zack Labe (@ZLabe) September 7, 2022
"the oldest ice (>4 years old) declined by 94.1%"
"A younger ice cover implies a thinner, less voluminous ice pack and one that is more fragile and vulnerable." - page S272: https://t.co/mtNqa0Ia1N pic.twitter.com/B0V3cXbN7t