Discusses some parallels that seem to exist between mass extinction recognizable in the geologic record and the impending extinction of a significant proportion of the earth's species due largely to tropical deforestation. Describes some recent theories of causal factors and periodicities in mass extinction. (Author/TW)

Argues that environmental policy and education are predominantly based on Western beliefs about nature rather than on native and indigenous sensitivities. Discusses Western conceptions of wilderness, alternative perceptions and conservation practices, the role of fires in the ecosystem, the priorities necessary for integrating alternative…

Discusses the trend toward more "earth-as-a-system" approaches in research and teaching about global science. Uses the "greenhouse effect" as a prototypical global change problem that requires interdisciplinary problem-solving approaches. (TW)

Reports on the status of environmental studies programs, as determined at a workshop held in conjunction with the 1986 annual conference of the North American Association for Environmental Education. Focuses on environmental studies program development since 1976. (TW)

Describes advances in capture-recapture modeling, including the biologically motivated emphasis on model-based hypothesis testing and the development of models for spatially stratified populations. Discusses the severe problems associated with count statistics reflecting unknown sampling fractions. (67 references) (KR)