Posted by: Sandy Steinman | December 26, 2020

The Arctic hasn’t been this warm for 3 million years 

EarthSky  reports

The last time CO2 concentrations reached today’s level was 3 million years ago, during the Pliocene Epoch. Hear from geoscientists who see evolving conditions in the Arctic as an indicator of how climate change could transform the planet.

Read more at  The Arctic hasn’t been this warm for 3 million years | Earth | EarthSky


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