This volume records the presentations made at the Symposium on Research Applied to National Needs. The three major problem areas of energy, the environment, and productivity serve as a focus for the papers. The 14 papers in the first section deal with energy programs; energy under the ocean; energy conversion and transmission systems; and geothermal, wind, and solar energy. The second section includes 10 papers covering threats to man and his environment, environmental programs and projects, disaster mitigation (earthquake engineering and fire research), mercury pollution, weather modification, and resourse management. The third section contains three policy addresses which discuss national research, energy policy, and environmental policy. Twelve papers in section 4 are concerned with productivity in the public and private sectors; the final section consists of one paper on research utilization. (DT)