We will still be better than Mars .. wont we ? .. If the goal for humans is to become a multi-planetory species than we must be prepared to live beyond our comfort zone here at Earth .. and that is if the climate science is accurate .. though it is NOT ..
Discussion
I think we should be trying to create an environment where we can thrive, not challenging whether or not we can survive.
I'm not a climate scientist. If what scientists like this TED Talker is saying is wrong, then we'll be fine. If they are not wrong, then we won't be. I just wish we could build a better world for everyone instead of just fighting about what a better world might look like.