Article on EOS

Finding Consensus on Arctic Ocean Climate History

Rising temperatures are driving the Arctic Ocean toward a “blue” state of ice-free summers, a shift that will have unknown consequences for global climate. Credit: Marie Stetzler, UiT The Arctic University of Norway

Understanding the effects of a “blue” Arctic Ocean on future climate requires a coordinated effort to study Earth’s past warm periods using a variety of classical and cutting-edge methods.

by Jochen Knies, Matt O’Regan and Claude Hillaire Marcel

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Last updated: June 26, 2025

Source: Inês Gonçalves Varela Jakobsson

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