A Lesson From Arctic Sea-Ice Prediction In 2020: Accurate Subseasonal-To-Seasonal Prediction Remains A Grand Challenge

As an indicator and "amplifier" of global climate change, the Arctic's health and stability is the cornerstone of the stability of our climate system. It has far-reaching impacts on ecosystems, coastal resilience, and human settlements in the middle and high latitudes.

The Arctic has experienced amplified warming and extensive...