shortly—because were already there

why not solve pollution overpopulation the threat of nuclear war—by going to another planet ??

because once we get to this other planet well intrinsically create all the same problems we have (here) on this planet

why not solve problems by going into space ??

because were already in space !!

were already here—on the planet that we want to go to—hundreds of years in the future—and we (will) have the same problems we have now

solve problems here (on earth)

were already in space