50 years from now "We've got 100 years left before we have to worry about this!" 100 years from now "We've got 50 years left before we have to worry about th

50 years from now "We've got 100 years left before we have to worry about this!" 100 years from now "We've got 50 years left before we have to worry about this!" 145 years from now "This is a crisis, if only we had 150 years to work on this maybe we could get somewhere, but as it is..."