Good point! I was thinking kind of like giraffe, they obviously must have some sort of like very long breathing tube to make it from their head to their lungs.
Maybe centaurs have like some sort of gill system or whatever that would be for land walking mammals?
And, just like people who install solar panels on their homes tend to use more energy than people who do not, finding a tricky way to buy additional time for us will only exacerbate and prolong how long we are destructive as a species to the planet that we live on.