I'd recommend reading some of Jane Jacob's work, specifically
The Death and Life of Great American Cities. It illustrates the ideas of street life and what makes great places.
As for a direct idea, I'd try to get to know your neighbours, walk in your neighbourhood as often as possible, and support your local businesses.
As for a direct idea, I'd try to get to know your neighbours, walk in your neighbourhood as often as possible, and support your local businesses.