Construct a ring in space. Spin it to provide artificial gravity. Add soil (maybe from the moon to save shipping costs) and plants. Grow things and ship them to the space station and any colonies we have at the time. Maybe put in a bar so people can chill out in orbit
j0z0r pwn4tr0n
Arya
Abomination named Alex
Peter Walsh
This is Ringworld, not a halo. All of you go read some Larry Niven.