The Arctic hasn't been this warm for 3 million years – and that foreshadows big changes for the rest of the planet

Extreme shrinkage of summer sea ice is just the latest evidence of rapid Arctic warming – and what happens in the Arctic doesn't stay there.

Steve Petsch, Associate Professor of Geosciences, University of Massachusetts Amherst • conversation
Sept. 30, 2020 ~9 min

Tags: climate-change greenland arctic paleoclimate russia carbon-dioxide-co2 siberia arctic-warming sea-ice norway pliocene boreal-forest

Seabed fossils show the ocean is undergoing a change not seen for 10,000 years

Cold-water plankton is being replaced by warm-water species.

Peter T. Spooner, Teaching Fellow in Earth Sciences, UCL • conversation
April 28, 2020 ~6 min

Tags: climate-change paleoclimate oceanography plankton marine-ecology

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