There are 6 billion human beings on the face of the Earth. According to our best estimates, there are somewhere between three and seven times more people than this planet can possibly maintain over a long period of time. Non-renewable resources are being used at an incredible rate, and we are destroying the capability of the planetary ecosystem to renew the supply of renewable resources. The worse however is yet to come. We need to realize the necessity of a population plan which will make our future more optimistic. This plan must be based o ....