Reviews recent advances in aquatic toxicology, whose major goal is to protect diverse aquatic organisms and whole ecological communities from the dire effects of man-made chemicals. Current legislation is reviewed. Differences in mammalian and aquatic toxicology are listed, and examples of research in aquatic toxicology are discussed. (CS)

Describes a California State water project intended to transport water from the northern half of the state to the southern half. Assesses major features of the project, explains agricultural uses of the water, identifies other project activities, and surveys problems affecting the project. Explains the stances of various environmental groups,…

Suggests methods and materials for class discussions of local water resources and conservation. (SJL)

Describes a water management project in the Netherlands which is intended to protect the people, land, and property in the Delta Region from abnormally high floods. Presents background for initiation of the Delta Project and discusses problems encountered in the project to date. (Author/DB)

Lists and annotates recurrent federal publications that contain basic statistical data on pollution levels and controls, natural resources and wildlife conservation, water resources supply and development, weather and ocean conditions, federal aid programs, and the environmental impact of energy development. It also lists continuing bibliographies…

Listed are available control parameters including basic definitions and concepts and methods of measurement. The application of these parameters to the control of water and wastewater treatment plants is also outlined. (CS)

Turbidity problems which originate in water treatment plants and the use of control turbidimeters to reduce health hazards from water-borne diseases are considered. (CS)

The test procedures used to evaluate the suitability of landfilled materials of varying stability and to determine the leachate from such materials are reviewed. A process for stabilizing a mixture of sulfur dioxide sludge, fly ash, and bottom ash with lime and other additives for deposition in landfills is detailed. (BT)

Summarizes information regarding the importance of water to biological systems, the total ecosystem and its interdependent parts. (CS)

Presents a wetlands education model for secondary education students. Students monitor a wetland, participate in decision-making, and take actions to protect it. In a series of six steps, the model guides students through the process of defining a problem; envisioning solutions; evaluating appropriate solutions based on environmental, economic and…

Explains the myth and the reality surrounding the source of the cloud produced from the reaction of dry ice with water. (DKM)

Examines pre-/posttests, land use plans, and oral presentations in order to assess whether the Conservation Camp was successful in increasing the knowledge and abilities of young people to consider water-quality impacts in land-use decisions. Results indicate that the camp was an effective method of teaching young people water-quality land-use…

Describes a sequence of two courses included in the chemical engineering program at the University of Minnesota, Duluth that deal with the processing of hazardous wastes. Covers course content and structure, and discusses developments in pollution prevention and waste management that led to the addition of these courses to the curriculum.…

Describes efforts to prevent the introduction and spread of nonindigenous species in U.S. waters, most notably the zebra mussel, a native of Russia, which has spread to 19 states and 2 Canadian provinces since its introduction to the Great Lakes in 1988. California Sea Grant Extension's boater education program augments federal and California laws…

Professional development programs should provide teachers with experiences that develop their knowledge and skills to integrate environmental field studies into their school curriculum. Reports on a professional development model that engaged teachers in designing and conducting local environmental science research projects. (Author/YDS)