Discusses various ways in which the demand for energy could be decreased, focusing not so much on discouraging demand by increasing prices, as on reducing energy consumption by improving efficiency of energy utilization in buildings and in industry. (JR)

Discusses problems facing the world with increasing demands for food, energy, raw materials and goods, and at the same time confronted with a population explosion. Views the future of the United States optimistically when compared to less developed countries. (JR)

Summarizes the argument between the advocates of stream straightening for flood control, drainage, and navigation, and those concerned with the maintenance of ecological communities and the aesthetic values of natural" streams. (AL)

Describes the effects of one particular case of stream channelization. (AL)

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)

Analyzes several reasons for conservation of natural resources. Environmentalists and profit-making groups should decide together what needs preservation. Author points out that everything rare is not worth preservation. Priorities for preserving the environment are discussed. (PS)

Fuel cells have several advantages over conventional ways of producing power. A brief explanation of operating principles, structure, and economic considerations is presented. (PS)

Advocates the development of a hydrogen fuel economy as an alternative to the predominately electric economy based upon nuclear plants and depleting fossil fuel supplies. Evaluates the economic and environmental benefits of hydrogen energy delivery systems in the residential and transportation sectors. (JR)

Discusses Britain's energy policies and changing energy sources since World War II. North Sea natural gas and oil should prevent shortages in the near future. Planning is complicated by Britain's entry into the European Common Market, questionable progress in nuclear production, and the uncertain availability of Middle Eastern oil. (JR)

Summarizes factors that will create severe energy shortages by 1980. Indicates that conservation is not enough, and the quickest path toward relief is the expansion of surface mining of low-sulfur coal in the Rocky Mountain states. (GS)

Comments on The Potential for Energy Conservation,'' a study by the Office of Emergency Preparedness, emphasizing the coming dependence on foreign oil, and presses for government influence to encourage development of more efficient cars. (AL)

The roles of the Committee on National Statistics are discussed. Evangelical and ecumenical activity are considered desirable since statistical problems and opportunities are everywhere in national policy matters. (DF)

Analysis of the writings of anti-evolutionists contemporary with Darwin reveals that there were many objections that had to be overcome and that the Darwinian revolution" does not conform to the simple model of a scientific revolution as outlined by T. S. Kuhn. (AL)