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Atmospheric CO2 levels for the last 500M years
- basicplus2 9y agoWhat is needed is a graph showing global temperatures and CO2 for the last 4 billion years
- IntronExon 9y agoUm... did you say billion? You want to go back to the interface between the Hadean and Eoarchean periods? At least you waited until the Earth started to have a solid, rather than molten crust. Maybe you’d like to set a date after the emergence of atmospheric O2?