The future is out of our hands anyway, you can't change the world...you can try and do your best to influence it but you can't change it. If we really wanted to change hunger etc it would have been done a long time ago but we all know that hurts the bottom line of too many people in power and we can't have that can we.
People will always have belief to either help or hinder their progress on this mortal coil. Doing the best you can in your own life around the people you love, respect and care for is all you can hope to achieve in our brief time here. The best way for anyone caught up in this to fully process it is if they TRULY believe in it..take stock in the fact that you can't change it or the world around you... what will be will be, you could beat yourself up about it or accept it and get on with life. The only thing you can change is yourself and your beliefs.
I believe we are here to either learn knowledge from others or impart knowledge to others...the problem is knowing the right knowledge to either absorb or impart.