Tricks Tricks:
Beyond microbial life, or shit like tardigrades, all life we have observed requires oxygen. So sure, if you're going to nitpick, there can be micro-organisms that don't need oxygen. But considering we're talking about Humanity (you know, the word in the title) I figured I didn't need to be that pedantic.
Huh, I also see the words 'volcano' and the nomenclature for carbon dioxide in the title too. Seems to me there's actually three things to discuss in that title.
Did you read the article? There is nothing to discuss. A claim is made with no data to support it. But please, attempt to educate me. Lets see what you got.