[Asdfbla]

Either we make life on Earth sustainable before that or we won't have enough time to develop the technology to settle on Mars anyway, so thinking of Mars as a backup Earth does not seem like a particularly good idea.

[justherefortart]

I think we should be on spaceships out of this solar system personally. Let's infect the rest of the Universe with people!

[ovao]

The universal availability of Taco Bell must invariably be the prime directive.

[maxerickson]

Just crash Ceres into Mars. Boom, geoengineered to be much nicer for us.

[magduf]

You have to have the power of the Q to do something like that. There's no way for humans to move Ceres that way, at least until we become a Kardashev Class II civilization.