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by mveety 2852 days ago
It won't make life on earth's surface impossible. At worst everything largish (plus some other stuff) will die off and open up the environment to new life (maybe a new cephalopod world order?). Remember, all of this CO2 was once in the atmosphere during the carboniferous and other periods. Nature doesn't give a damn about us and will just roll with the punches we're throwing and crush us like it has other times when life totally fucked the environment up.