We'd still have protection from cosmic radiation. Antarctica is far more livable than anywhere else off earth, but I don't see us living there in a self-sustain

We'd still have protection from cosmic radiation. Antarctica is far more livable than anywhere else off earth, but I don't see us living there in a self-sustained fashion. Space exploration and colonisation is important, but it's not an answer for the Earth's problems. It may lead to new technologies that will help on earth though - not least the requirement for sustainability.