lpnmajor wrote:
Sure, we just need to find room for 10 billion people, room to farm enough food to feed 10 billion people, enough water for 10 billion people AND their crops.......................
Any mars colonization will require sustainability, i.e., the ability to make/grow everything they need to survive. Personally, I don't think we'll have the time.
Assuming no life is found on Mars, it would take 400-500 years to terraform Mars to Earths current conditions.