Remember, the very best conditions of Mars will always be far worst than the worst conditions ever present on Earth. Mars is _incredibly_ inhospitable; even a n

Remember, the very best conditions of Mars will always be far worst than the worst conditions ever present on Earth. Mars is _incredibly_ inhospitable; even a nuclear wasteland Earth is easier to live on than Mars. Second, a permanent Mars colony will always be dependent on the Earth for regular resupply. If Earth were to become toast, so would the colonies on Mars. This person gets into it in more detail: https://www.quora.com/How-would-we-be-able-to-live-on-Mars?no_redirect=1 https://www.quora.com/How-would-we-be-able-to-live-on-Mars?n... Further, stating that the most salient problem for us to solve now with technology is a problem that will occur 5 billion years from now - strikes me as hubris. That _we_ must be the ones to save the Earth, as if we will have failed unless _we_ are the super heroes that save humanity for all of time. Meanwhile, the Earth is a giant garden. Given our focuses, I don't think future generations will think of us as heroes. I don't think future generations will think of us too kindly at all.