The first ice-free day in the Arctic Ocean could occur before 2030

[John Nissen]

This is relevant to some statements in our report card. But ice-free doesn't mean a point of no return. .Peter Wadhams has argued this is when the last multiyear ice disappears.

Cheers John 

The first ice-free day in the Arctic Ocean could occur before 2030 | Nature Communications https://share.google/S7Xtp66bfibCQ8thi