[oh8eleven]

soon as in a century or less ... There's a spare planet next door named Mars that could be tweaked to make a second earth.
Just needs a tweak? Second Earth? Really? Annnnnd, we move 5-6 billion people - how?
When it comes to water, I guess you think our oceans will be gone in a century?
Speaking of room - the planet's entire population could fit "comfortably" into Texas, with room left over.
Sorry, but you watch too many movies.

[jboot]

And you have no vision.