best hopes worst fears for the future of life as we no it...

you know it's monday let's keep it light and fluffy right? lmao.. yeah seriously though what are some of your best case scenarios or worst case scenarios?.. say for 100 years from now.. consider where we've been in the last 100 and then extrapolate... what you got?... I'll come hit you soon as I take a quick trip in the ol time machine to get spoilers.