Personally, I just "ignore" those big problems, as I have no authority to fix them. I focus on what I can do: help my family when they need it, teach my kid(s) to be good and intelligent people (for my and my wife's definition of good and intelligent), and work in industries or on technology that will have a positive effect on the world (like distributed energy resource/load controls, currently). I can only affect my little part of the world, so why worry about those big issues that are above my paygrade? I just vote for whom I think will help most (hard to find these days), raise my voice when I see something I don't like (like when someone is being rude to a clerk at a store), and the rest is up to fate/the universe/god(s)/whatever.