Summarizes the history of the study of global warming and includes a discussion of the role of gases, like carbon dioxide, methane, and chlorofluorocarbon (CFC). Discusses modern research on the global warming, including computer modelling and the super-greenhouse effect. (YP)

Examines the increasing hazardousness of places as a consequence of natural disasters, technological failures, and chronic environmental degradation on a global scale. Describes the trends and impacts of environmental hazards, including their frequency, magnitude and damage on both a regional and international scale. (MJP)