UW News
Ron Kwok
March 10, 2022
Newest satellite data shows remarkable decline in Arctic sea ice over just three years
![distant figures walking on snow-covered ice](https://uw-s3-cdn.s3.us-west-2.amazonaws.com/wp-content/uploads/sites/6/2022/03/10133714/6151061573_7023960f2f_c-150x150.jpg)
In the past 20 years, the Arctic has lost about one-third of its winter sea ice volume, and winter sea ice in the Arctic has lost about a foot and a half of thickness over just the past three years. This thinning is largely due to loss of older, multiyear sea ice that is more resistant to melting.