1. Even though solar water pumping is ready for mainstreaming and has started to take off in some parts of the world, its benefits remain largely unknown to communities, governments, and development institutions. To address this knowledge gap, the World Bank has developedan accessible and...
  2. SODIS (short for Solar Water Disinfection) started as an initiative of Eawag, the Swiss Federal Institute of Aquatic Sciences and Technology. Eawag supports the improvement and spread of the SODIS method through research in microbiology, health, educational strategies and PET bottles. An...
  3. Abstract, Development Engineering, 2018 Successful scale-up of any development project requires a deep understanding of the real-world economics of the intervention, and compelling evidence that such an investment would be worthwhile. This cost-benefit estimate is typically assessed in two ways:...
  4. Over 2 billion people around the world live off the reliableelectric grid. Our tireless last mile distribution partnersand village sales agents help get our low cost Sun King solardevices to off-grid families in need so they can live safer,brighter and more productive lives.
  5. From Horticulture Innovation Lab researchers at UC Davis, the chimney solar dryer is designed to provide efficient drying even in hazy or partially cloudy conditions, using inexpensive and readily available materials. Other features of this design include: The chimney ensures continuous air flow...
  6. 20/03/2005 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...
  7. 19/01/1977 Prepared by Eastern Oregon Community Development Council Various paged sections, illustrated
  8. 01/01/1967 O VITA Fogăo Solar especialmente foi projetado ser robusto, relativamente, fácil fazer, fácil consertar, e baixo em custo. Usa o princípio do refletor de Fresnel que concentra luz e aquece usando várias superfícies refletindo simples. A maioria do outro uso de fogőes um duplamente-curvado...
  9. 01/01/1985 Países em desenvolvimento estăo em uma posiçăo particularmente boa usar energia solar porque tantos receba uma abundância de sol. Mais importante, os habitantes destes países freqüentemente săo se espalhou em cima de áreas vastas, enquanto fazendo acesso a eletricidade ou convencional fóssil...
  10. 01/01/1985 Destilaçăo solar usa o calor do sol diretamente dentro um simples pedaço de equipamento para purificar água. O equipamento, geralmente, chamada um silęncio solar, consiste principalmente em uma bacia rasa com um copo transparente cover. O sol aquece a água na bacia, causando Umidade de...