The last time co2 levels were this high, we dragged our knuckles around

The last time co2 levels were this high, we dragged our knuckles around

Posted by putri at 2:45 AM ✪ No comment yet

If you were to believe global warming deniers, climate change is all right because the climate changes all the time.True enough; but the last time atmospheric carbon dioxide levels were sustained at 387 parts per million (ppm) was 15 million years ago, during the Burdigalian stage of the Mioscene Epoc, according to XXXX of UCLA in his paper XXXX.Unlike now, 15 million years ago CO2 levels were