This CD-ROM is a handbook for educators, health professionals, and professionals serving socioeconomically disadvantaged communities. The Assess-Don't Guess curriculum provides the tools for understanding environmental threats, related health issues, environmental regulatory agencies, the basic risk of prioritization, and the ways to resolve…

Presents an experiment to demonstrate the degree to which environmental cations are taken up by susceptible lichen organisms in the field. Discusses the preparation of materials, procedures and typical results for this short laboratory exercise. (CW)

Describes a laboratory experiment to teach the principles of air sampling, gamma ray spectroscopy, nuclear decay, and radioactive equilibrium. Analyzes radon by carbon adsorption and gamma ray counting. Provides methodology and rate of decay equations. (MVL)

Presents a lesson plan about case studies of the environmental disasters of Minamata, Japan and Love Canal, New York. Compares how the legal cases were handled in two constitutional democracies. Provides six handouts that include maps, role descriptions for simulations, and student readings. (CFR)

Presents two classroom lessons about global political interdependence and the relationship between humans and the natural environment. Uses the Great Wall of China as a metaphor for discussing the irrelevance of national sovereignty and the emergence of an interdependent world. (CFR)

The increasingly important role of transportation and its environmental impact is given major emphasis in this curriculum unit for secondary students. Four purposes of this unit are to describe and show (1) the historical development of transportation in America; (2) the effect of current transportation practices upon the environment; (3) some…