This activity has been designed to help students understand a variety of concepts related to water use, efficiency, and students' own impacts on their watershed. It is intended for use both in the classroom and at home. The first concept covered in this exercise is, "What is a watershed?" Ideally this concept will be conveyed in the context of the…

The need for effective disposal of hazardous medical and pathological wastes is discussed and the results of a test of five different models of incinerators in disposing of such wastes is presented. (MJB)

Today's industrial economies were founded on the use of vast quantities of materials and energy, and the economic health of nations has often been equated with the amount they consumed. The amount of materials that originally enters an economy tells nothing about the material's eventual fate or its contribution to human well-being. It tells a good…

An examination of the handling, storage and disposition of hazardous wastes from municipal and industrial sources, with a plea for the development of a uniform national hazardous waste code or listing that would be acceptable and useful to all state and federal agencies. (LK)

Designed to address the problems and solutions related to waste management, this curriculum guide contains interdisciplinary activities for K-12 students in Washington State schools. Listings of the activities are provided by concept categories (under the themes of revise, reuse, recycle, and recover); by waste management subject area (addressing…

Modern society is very dependent upon numerous chemical substances. Chemicals have a wide variety of uses, including drugs to prolong our lives and pesticides to control insect and weed pests. Life would be drastically different without the availability of these chemical substances but, while the benefits of chemicals should be appreciated, the…

There is ample evidence of the seriousness of the world's population, resource, and environmental problems--poverty and hunger, deforestation and species loss, soil erosion and desertification, air and water pollution, acid precipitation and ozone layer depletion, as well as the greenhouse effect and climate change. This handbook was prepared as a…

Claims that hazardous waste facilities are more likely to be located in areas with higher than average proportions of minorities and examines the issue using census-level data from a national study. No consistent statistical evidence is found for such claims, although previous claims are shown to be based on larger areas. (SLD)