Very old ice—thick, strong, and more melt-resistant—has nearly vanished in the Arctic. In March 2017, it made up less than 1 percent of the ice pack.
The Arctic's oldest ice is vanishing
December 13, 2016
Very old ice—thick, strong, and more melt-resistant—has nearly vanished in the Arctic. In March 2017, it made up less than 1 percent of the ice pack.
December 13, 2016