http://www.flassbeck-economics.com/how-climate-change-is-rapidly-taking-the-planet-apart/
Given that, and that things will be getting worse before that (coastal cities gone? massive political unrest, etc), what would you do to be ready? How would you prepare your kids? Twenty years isn't much time.
Even if the predictions are not completely accurate, it seems things are going to be worse in general in not too many years.