United Press International: The world’s population is approaching 7 billion and apparently increasing at a rate of about 78 million per year. At the current annual growth rate of 1.16 percent, it is expected to double within 60 years. However, the projection of 9 billion by 2050 by the United Nations is an improvement over an earlier 40-year estimate (1960 to 2000) during which the population of the world practically doubled, from 3 to 6 billion. The point is that the world’s population will continue to grow …