Discusses the possible conflict of interest resulting from the Environmental Protection Agency's participation with the automobile and oil industries in the Coordinating Research Council - Air Pollution Research Advisory Committee, an organization which has sponsored much of the research important to federal regulation of clean air. (JR)

Discusses economic factors as the essential causes of world environment deterioration. Presents case for critical and prompt action in prevention of natural resource exhaustion and pollution, particularly by means of replacement level, population control, and consequent economic organization. (JM)

Examines a variety of options and costs involved in the safe disposal of radioactive wastes from nuclear fission reactors. (JR)

Major consequences of present and additional environmental quantities of DDT pesticide are predictable by mathematical models of transport, accumulation and concentration mechanisms in the Wisconsin regional ecosystem. High solubility and stability produce increased DDT concentrations at high organism trophic levels within world biosphere…

Proposes an international research laboratory to investigate environmental factors in human health. By international cooperation unnecessary duplication and waste of resources can be avoided and long-term studies can examine various world-wide environments. (JM)

Identifies sources of death and major disability which are new or are of new importance in developed countries in the two decades since World War II. Examples from Great Britain and the United States are used to make some estimates of how people are being affected. (BR)