You can't change the world overnight; all you can control is yourself, so do whatever you can to have a positive impact on yourself and others, which will begin to change your life and improve the world around you.
https://yourmeaninginlife.com/blog/change-yourself-change-the-world
You decide what meaning the events in your life have to you.
https://yourmeaninginlife.com/blog/you-can-find-meaning-in-whatever-happens-to-you
Asking where you see yourself in five years is a good exercise to determine both where you're going and what you want to be doing today to reach your desired future state.
https://yourmeaninginlife.com/blog/where-do-you-see-yourself-in-five-years