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43 items found (Showing 1 - 10)
  1. 2010-01-01 The purpose of this document is to show several water pump designs constructed from PVC pipe, explain how to manufacture them, and discuss pump performance and how to improve on these designs. What’s Inside: Pump Design Manufacturing Process Pump Performance Appendix
  2. 2010-01-01 2 Copies Turn water scarcity into water abundance! Earthworks are one of the easiest, least expensive, and most effective ways of passively harvesting and conserving multiple sources of water in the soil. Associated vegetation then pumps the harvested water back out in the form of beauty, food,...
  3. Rating: 5.0 - 1 Vote
    2009-08-21 Most water and sanitation facilities used by households or operated by small-scale enterprises were built without external support. This shows there are alternatives to the large centralized conventional systems. More importantly, small-scale solutions have proven to be cost effective....
  4. 2009-12-15 Worldwide there are 1.1 billion people who do not have a way to get clean drinking water. Every year, 1.8 million people die from diarrheal disease, and it is estimated that 88% can be attributed to the lack of clean drinking water[1]. This project will partner with the non-profit organization...
  5. 2009-07-01 Throughout the world, and even in the United States, engineers are tackling the challenges of sustainable development and public health - challenges that engineers are uniquely qualified to address. Yet engineers working abroad on development projects often lack the knowledge and information to...
  6. This article is from ECHO Asia Note #4 Working together with Thai Care, the children's ministry of the Rain Tree Foundation, Meribah Ram Pump is engaged in various community development projects in northern Thailand. A major focus is to make simple, sustainable technology, such as ram pumps and...
  7. Rating: 3.0 - 1 Vote
    2009-10-20 Bill Mebane corresponded with ECHO’s Farm Manager Danny Blank regarding some questions about tilapia production. We excerpt some of the correspondence here, for your information. Danny had asked for advice and feedback about ideas for a flow through, green water system using periphyton...
  8. 2010-01-01 In his insightful new book,Holy Shit: Managing Manure to Save Mankind, contrary farmer Gene Logsdon provides the inside story of manure-our greatest, yet most misunderstood, natural resource. He begins by lamenting a modern society that not only throws away both animal and human manure-worth...
  9. 2009-01-20 All plants need certain mineral elements for proper growth, development, and maintenance. The basic structure of all organisms is built of carbon (C), oxygen (O) and hydrogen (H). Plants obtain these elements from water (H2O) in the soil and carbon dioxide (CO2) in the air, so no input is...
  10. 2009-04-01 Second Edition The first edition of Gaia's Garden, sparked the imagination of Americas home gardeners, introducing permacultures central message: Working with Nature, not against her, results in more beautiful, abundant, and forgiving gardens. This extensively revised and expanded second edition...