• SapphironZA@sh.itjust.works
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    11 days ago

    I would argue, there were asteroid impacts that did it a little more quickly.

    Humans need to try harder to self KT line itself to that level. At this point we will only be a slight discolouration layer with sightly higher metallicity a few million years from now.

    • binux@sh.itjust.works
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      11 days ago

      …there were asteroid impacts that did it a little more quickly.

      They mention that in the article:

      Perhaps barring the immediate aftermath of the dinosaur-obliterating asteroid impact 66 million years ago, atmospheric carbon dioxide levels have never risen as quickly as they have in the last couple of centuries.