https://apnews.com/article/arctic-ice-melt-thickness-climate-change-52733ac0ac0e4882e19cb0c61034e7af

Climate change attacked crucial Arctic sea ice thickness in two sudden big gobbles instead of steady nibbling, a new study says.

A little more than 15 years ago, sea ice quickly lost more than half its thickness, becoming weaker, more prone to melting and less likely to recover, according to the study that emphasizes the importance of two big “regime shifts” that changed the complexion of the Arctic.