New reconstruction of atmospheric CO2 history:
The Miocene (~16 Ma) marks the last time that CO2 concentrations were consistently higher (~480 ppm) than now; Greenland was not yet glaciated at that time, and sea level was some 50 m higher than today.
https://www.science.org/doi/10.1126/science.adi5177?s=09
#ClimateChange #Paleoclimate #CO2
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