Nuclear armament.
Given your "druthers" what is something you would absolutely, positively put an end to in 2017?
Arthritis!
I would endeavor to put an end to all doubt about the oncoming threat of the changing climate and the degradation of the environment. Like they say in AA, the first step is admitting the problem.
It took millenia for our kind to accept the earth isn't flat and centuries to agree it revolves around the sun. We don't have that long this time.
The way the banking system works, they should be arrested for theft. If we don't end it then we will remain debt slaves forever, as the way it is run debt can only increase. They are also looking to end money (IOU's), and therefore everything we do will be monitored by a computer system, this has come into force with the contactless payment.
https://www.youtube.com/watch?v=iFDe5kUUyT0
http://positivemoney.org/2013/06/banks-dont-lend-money-guest-post-by-michael-reiss/
This would just be a starter for me.
Any and all media interest in the ridiculous Kardashian-Jenner schmucks.