How should we go about trying to bring people back together?

Politicians have us blaming each other for every problem under the sun. Businesses have is trying to outclass and outcompete each other, driving atmospheres of envy and possessiveness. How do we get to a point of learning that we are all one species on one planet? How do we get to a point where people can once again believe that their neighbor can be and is a good person?

How do we let go of the fear?