English (en) | Change Language
  1. 1983-01-19 The household fuels crisis is closely related to traditional UNICEF concerns such as family income, nutrition, and health.
  2. 1984-01-01 Once it is understood that gravity and water can be harnessed to produce energy, a study of methods to extract this energy efficiently can be undertaken. The purpose of this paper is to discuss several such methods in general terms. The paper provides a basic introduction to the science of water...
  3. 1987-01-01 A hydraulic ram is a pump that uses the power of falling water to force a small portion of the water to a height greater than the source. Water can be forced about as far horizontally as desired, but greater distances require larger pipe, due to friction. No external power is necessary. With only...
  4. 1984-01-01 The sun is the original source of wind energy. Sunlight warms the sea, land, and mountains at different rates. This creates inequalities in the temperature of the earth's atmosphere. These thermal imbalances produce air in motion--or wind. Wind machines capture the energy of the wind and convert...
  5. 1995-01-01 Soon after beginning a major program in renewable energy in 1979, VITA (Volunters in Technical Assistance) found that many of the technical terms commonly used in renewable energy literature were not understood by many of the laypeople for whom the information was meant. VITA also realized that...
  6. 1985-01-01 Energy storage capability is essential if the maximum economic advantage is to be gained from small power plants. Unless the power plant is operated at full load on a continual basis, there will be periods when there is a lower load demand upon the plant. As a result of this lower demand, excess...
  7. 2005-03-20 Energy use in agriculture Planting to catch more sunlight Biodigesters in ecological farming systems Biogas in Uganda Improving organic fertilizers Saving energy with better tools Biogas production with guinea pig manure Improving traditional water mills Clean energy for chilling milk Passive...
  8. 2004-01-01 La OBRA. Inicia con una breve resena de los diferentes tipos de energias, su rol en el desarrollo mundial, la interrelacion entre energia, medio ambiente, contaminacion y desarrolo rural. Continua senalando con detalle las posibilidades que plantean las fuentes de energias alternativas para...
  9. The paper “Rush for the “wastelands”: revaluing pastoral land in the light of renewable energy”(2022) (Green energy + pastoralism paper,Powerpoint slides) by Ann Waters-Bayer and Hussein Tadicha Wario, was based on a study commissioned by the Heinrich-Böll-Stiftung in Germany. It looked into how...
  10. 1975-01-01 In this book you will find the basic principles of solar, wind, water, methane and wood energy systems. It is a source of information on natural energy and available technology which could allow you to live independent of public utilities. It is primarily concerned with using the "free" and...