Making the World a Better Place starts with you!
From a local view, it is the individual that can make a difference.
Globally - it is many people acting together that can make a difference.
Learning the skills you might need to help in new situations, whether a technical skill, or a knowledge of history that give you a better appreciation of a different culture, Communicating with others in your own language or a foreign one, and confidently demonstrating the Initiative to take action.
This is what the individual can do to help better the world at a local level.