I think what will probably happen* is things will get really really bad, then humanity will finally band together, and teams of engineers will put 50-100 year a

I think what will probably happen* is things will get really really bad, then humanity will finally band together, and teams of engineers will put 50-100 year advances of technology to use and figure out how to solve this problem, along the way creating some heroes of humanity that will go down in history. * This will probably not happen, as forecasts 50-100 years in the future never come true.