Immortality would drive me nuts, but wait isn't the sun gonna explode in like a billion years? (I just through out a big number, cuz I don't know the real one) so I don't see how anyone could be "immortal". And about the population problem I'm confused like, if we master space colonization, people will be given tug boats and everything will just be fine? huh? people would HAVE to be sacrificed just to keep resources from running out, wouldn't they? This just sounds so crazy, I doubt your average white trash would be allowed access to this future technology. Does anyone think this future earth government, would be that gracious? or would there be some kind of eugenics at play? Look at the messed up condition of Earth now, and in the past and tell me with a straight face that this Jetsons utopia is actually possible. All organisms die eventually, people have chased the dream of immortality since they learned to think. Prolonging life is great, but why would you even want to be immortal? some of your best memories would fade out, and the way you experience time will change, to where a day will feel like an hour etc. People really wouldn't be human anymore, if this stuff actually got off the ground. And what about all the litter, and emissions? we are already fucking up Earth, are we gonna do the same to Mars, and then what? I don't believe in utopias, or perfection in general.