I would not get too attached to our civilization. Can you imagine how many there must have been in 250,000 years? Include the ones from Neanderthals and other h

I would not get too attached to our civilization. Can you imagine how many there must have been in 250,000 years? Include the ones from Neanderthals and other homo species, too. And they’re all gone. Ours will be, too. How can we possibly secure a civilization for, say, 1M years?