Discusses the management of the earth's water resources. Describes the global water cycle and the status of water pollution. Recommends that a water-management project should lean toward increasing the efficiency of water consumption rather than toward increasing the supply of water. (YP)

Discussed is the growth and development of electronic communications and computer technology. Modems, the "Whole Person Paradigm," artificial intelligence, multimedia, virtual reality, and communications technologies are described. Implications for world economies are suggested. (CW)

Discusses air pollution occurring due to human activity. Describes which human activities generate which emissions, including acid rain, smog, ozone depletion, and change of trace gases. Suggests global effort to solve the earth's environmental problems. (YP)

Discusses the human use of the planet earth. Describes the global patterns and the regional aspects of change. Four requirements for the cultivation of leadership and institutional competence are suggested. Lists five references for further reading. (YP)

Discusses the global change of climate. Presents the trend of climate change with graphs. Describes mathematical climate models including expressions for the interacting components of the ocean-atmosphere system and equations representing the basic physical laws governing their behavior. Provides three possible responses on the change. (YP)