H. A. Becker: Solar and coal energy may supplant, and eventually replace, energy from oil and gas. The prospects for this development, the technology required and the economic conditions are discussed.
R.A. Price: Recent history of mankind viewed from the persepctive of Earth history and geological processes; patterns of growth in mineral production; origin and lifespan of fossil fuel resources.
C. Lafkas: Current and potential demands of man for the common materials of this earth, facts underlining the need for new thinking and decision-making.