6 ms·
Society would be greatly impacted at far lower levels (anywhere from really current levels and up). See my other reply to peer comment. Though... 40k ppm is ta
by seadan83 2y ago
Society would be greatly impacted at far lower levels (anywhere from really current levels and up). See my other reply to peer comment.
Though... 40k ppm is talking extinction of all mammals, probably more. The greenhouse effect at that level is probably insane, I wonder if we might lose liquid water well before that point.