Presents a literary review of the positions held concerning a central population issue, development within the ecosphere. Explores concerns posed by contemporary academic economists and ecologists. Suggests that demographers see the issue as an important area of research needing the expertise of several disciplines. (143 references) (MCO)

Introduces classroom and other activities for teaching the importance of the tropical rain forest. Includes some resources and reading materials. (YP)

Introduces a teaching strategy for Year 10 and senior biology students to demonstrate food and energy processes along a river ecosystem. In studying the River Continuum Concept, groups of students undertake a series of interrelated projects as a means of understanding the big picture of the food and energy interrelationships evident in healthy…

Describes a role-playing exercise designed to allow students to make decisions on land use activities while requiring them to address a range of ecological and environmental issues. The activity uses data and information from soil survey manuals in conjunction with a student-created physical topographical model. (WRM)