Fifty More Timely Problems of the Environment.
A sequel to P-4415, with brief descriptions of 50 environmental problems compiled from publications such as [Air and Water News], [Explorers Journal, Civil Engineering,] [Engineering News-Record, Science, Nature,] and major newspapers, and suggestions for research on each. This paper, like its predecessor, is suitable for use in groups such as lay discussion groups and high school classes. Topics include earthquake-resistant structures; noise pollution; fog control; smog damage to crops; mercury contamination; water resources, pollution, and treatment; land use; orbiting space junk; ecological changes from dams and new waterways; arsenic and enzymes in detergents; tanker submarines; dredged sludge; waste collection and disposal; Arctic oil rights; land sinkage; supersonic damage to old brick and stone; tradeoffs between tall smokestacks and SO2-removing equipment; STOL airports; polyvinyl plumbing for earthquake areas; and possibility of stocking lakes with northern Russian fish adapted to eutrophied and polluted water. 66 pp.