It seems like we really all agree that it is Greed that is at the center of the problem and essentially the cause of all the problems in the world. Over developed egoism.
You know the basic Love Thy Neighbor as Thyself is the key to unravel all the problems in the world. It encapsulates the notion of perfect and real altruism.
Imagine how the world could work in peace and harmony with everyone caring for all other people like they were a beloved family member. If everyone treated everyone else like cells of our body treat for the body as a whole. Each cell and organ works to benefit the rest and the whole body can function beautifully. It is the way all of nature works - in balance unless of course people mess it up.
~ It's not the body that needs correction. It's the soul.~ The Complete Idiot's Guide to Kabbalah