An examination of geothermal energy as a means of increasing the United States power resources with minimal pollution problems. Developed and planned geothermal-electric power installations around the world, capacities, installation dates, etc., are reviewed. Environmental impact, problems, etc. are discussed. (LK)

Conventional and nuclear power plants release waste heat to cooling water which then returns to receiving bodies of surface water. This thermal pollution causes a variety of effects in the aquatic ecosystem. More must be learned about these effects to ensure adequate regulation of thermal discharges. (RE)

This Nome flood report indicates that immediate response by local and state sanitarians prevented major epidemics and provided solutions to waste disposal and health maintenance problems. In the end, most of the clean-up work was done by experienced sanitarians working with the cooperation of people in their own area. (MA)