Re: If Man were serious about colonizing outside the solar system.
Not a new idea at all. It's called "panspermia", and has been around since ancient times.
My point is that Man cannot exist independently anywhere but Earth for any length of time. Just won't happen, we would need too much too fast. It would behoove us to take good care of this place, including limiting population.
They shoot deer and elk if they are overgrazing, don't they? In order to have a smaller population live healthily?
I'm not proposing people be shot, but birth control is an extremely viable option.