Although most analysts assume that the world's population.

• Position: NOTEWORTHY - Population growth - Brief article

Although most analysts assume that the world's population will rise from today's 7,000,000,000 to 9,000,000,000 by 2050, Robert Engelman, president of Worldwatch Institute, Washington, D.C., argues in his book, State of the World 2012: Moving Toward Sustainable Prosperity, that population...