Feature: Reading climate signatures in the Southern Ocean

The polar regions are sensitive barometers of environmental change – what we see at both the poles foreshadows what we can expect elsewhere on the globe in a changing climate, and right now they are experiencing some of the most rapid rates of environmental change in the world. Jess Tyler explains how pooling resources in an ambitious polar oceans program, called CASO, will be a watershed in our understanding of the relationship between ocean, atmosphere, ice and climate.

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