Presents a thorough overview of the many factors contributing to air and water pollution, outlines the chemical reactions involved in producing toxic end-products, and describes some of the consequences of pollutants on human health and ecosystems. (JR)

Examines the evolving relationship of man with his environment and the role which science plays in this process. Particular emphasis is placed upon Australian resources and scientific development and the contributions of the Commonwealth Scientific and Industrial Research Organization (CSIRO). (JR)

Questions the feasibility of, and validity of the concepts behind, some of the new procedures proposed by the Water Resources Council. Concludes that the proposed procedures, if accepted in their present form, will bias water resource management in favor of development and against the preservation of the natural environment. (JR)

Discusses the phenomenon of interstate cooperation programs among institutions. These voluntary activities in public services and education work with Washington, yet preserve their identities as state programs. (MK)

U. S. Senator J. D. Tydings presents four specific suggestions that provide guidelines for immediate action on the problem of environmental pollution by the Federal Government (Author)

A college level plasmolysis experiment, demonstrating principles of cell/water relations, has been modified to demonstrate the objective collection of data. Background information, laboratory procedures, results, and instructional strategies are provided. (Author/JN)

Potential-pH diagrams show the domains of redoxpotential and pH in which major species are most stable. Constructing such diagrams provides students with opportunities to decide what species must be considered, search literature for equilibrium constants and free energies of formation, and practice in using the Nernst equation. (Author/JN)

Membrane cells were developed as alternatives to mercury and diaphragm cells for the electrolysis of brine. Compares the three types of cells, focusing on the advantages and disadvantages of membrane cells. (JN)