This report discusses the growth of urbanization throughout the world with focus on the problems faced by poor city dwellers. The first section presents population data that show the great increases in urban populations around the globe during this century. Urban food supplies are discussed in the second section. Energy constraints on city growth…

A random household survey of 569 African-American adults in Oakland and 568 in San Francisco (California) indicates a high prevalence of smoking (41.9 percent), with smoking more likely by those reporting high stress. Stressful environment may contribute to high-risk smoking behavior among urban African Americans. (SLD)

Aside from the growth of world population itself, urbanization is the dominant demographic trend of the late twentieth century. The number of people living in cities increased from six hundred million in 1950 to over two billion in 1986. If this growth continues unabated, more than half of humanity will reside in urban areas shortly after the turn…