I think that it can be done. Obviously it would not be perfect, but it is doable. I feel like a lot of good people resign themselves to live in this 'bad' world because it seems like such a daunting task to try to change it. Of course it is a daunting task; we are but one generation built upon a foundation of hundreds which have created the issues that exist today. However, if we don't take action on our desires to create peace, then we are just setting everything one more generation back.
The very first step to achieving this peace is probably self-awareness. I think that people should be able to evaluate their lives and figure out essentially why they are the way they are, how their experiences have shaped them, and perhaps where they are 'flawed' in all of that. After that, I believe that people must learn how to think about others the same way that they think about themselves. Most conflicts arise out of differences in personality, which can be better understood when people take the time to understand each other's lives.
An explanation of this I used in an older thread:
I would think about why I want to dislike someone, what it is about me that makes me dislike whatever facet of their personality that I dislike, and then I kind of look at it as my own fault for seeing them in that light. Then I want to figure out what makes them that way, and, once I understand that, there is no way I can dislike them anymore. The first part all happens too fast for me to ever dislike anyone.