This is unfortunate news

[Moco Loco]

Originally Posted by auroraglacialis

And if Earth has become uninhabitable for humans and they really do go away - it would take millions of years if at all to recover to some form of natural state.

I find this highly unlikely. By the time we're forced out, the environment may be very radically altered, but I feel certain Earth will still be full of life, though it has been affected by us, and I can really hardly imagine it taking millions of years to look like we were never here at all. The only scenario in which I can see us totally destroying life here (and permanently) is this that I mentioned in another of your threads, and even this is very far off if possible at all. Earth will become uninhabitable to us long before it is for the majority of species.