Exhaustively updated, this second edition provides a current assessment of world population and the range of economic, social, and environmental issues it raises. * Primary documents including Warning to Humanity, November 18, 1992 from the Union of Concerned Scientists, which warns of the perils of continued population growth among the poorer nations and continued overconsumption by the richer ones * A chronology of population milestones, such as the 1968 publication by the Sierra Club of Paul Ehrlich’s The Population Bomb, which built public awareness of the effects of rapid population increase