Uses population growth models to calculate the theoretical suppression of reproduction achieved by releasing irradiated male moths carrying genetic sterility factors. Shows that releasing partially sterile males should be more effective than releasing fully sterile males. Discusses the costs and advantages of applying this approach to the control…

Examines how the writings of historian Walter Prescott Webb have influenced modern futurist works. Webb's concerns about new frontiers, population growth, the environment, and other aspects of society are discussed. (AM)

Discusses the problems created by an increasing population. Emphasizes the need to reassess the status of environmental resources, and suggests that definitive plans must be made to improve environmental management now and for the future. (Author/VWL)

Rural communities have experienced dramatic demographic, social, and economic transformations over the past 30 years. Historically characterized by close links between natural resources and social, cultural, and economic structures, few of today's rural communities remain heavily dependent upon traditional extractive industries like ranching,…

Community and technical colleges make their greatest contribution by growing a talented, skilled citizenry and creating opportunities for Washingtonians. The State Board for Community and Technical Colleges is setting this System Direction to align college system efforts with the current and future needs for strong communities and a vibrant…

This paper provides new information on what proportion of individuals spend their adult work lives in their childhood metropolitan area or state. I also examine how this proportion varies across different demographic groups, and with the size and growth rate of the metropolitan area. I find that the proportion of individuals who spend most of…

This paper examines various estimates of the Samoan population in the United States and assesses their relation to 1980 census data. Because Samoans were enumerated for the first time as a separate group, because there are no national records of Samoan births and deaths, and because there are no data on migration to the United States or movement…

If U.S. birthrates remain below the replacement level and are relatively constant, and if immigration is constant both in total numbers and age-sex composition, population size will eventually become stationary, according to this policy discussion paper. Moverover, varying the constant annual number of immigrants produces an equal proportionate…

The problems of world population growth are outlined, and each is discussed briefly. (DT)

Presents questions from readers and answers to their questions. Topics in this article include population growth, corrosion in fuel lines, and effect of cooling on seeds and sperm. (RH)

Research on family and household units based on population data in historical and contemporary demography is briefly reviewed, and three reasons are given for the growing interest in the study of such units. (Author)