I suppose the first step, then, would be to give people around you a real living example of what it means to "be the change you want to see in the world".
The world is a garden and it requires constant maintenance.
Sisyphus, from greek mythology, is a metaphor for this inescapable curse. Modern man would probably decide that it's much better for the rock to be at the bottom of the hill, as it were, but that strikes me as choosing to be a part of the problem.
I have a job and bathe regularly. Yet I walk through the ghetto every day, and find that folks there are still unemployed and smelly. They're just not following my example like they should!