1. 2020-10-16 On September 3, 2020, ECHO held its first virtual Appropriate Technology (AT) Fair. As this year has brought many challenges for in-person gatherings, we were grateful for all who took advantage of the shift towards virtual gatherings and participated in this event. It was an enriching time for...
  2. Inspired by our Regional Impact Center in East Africa, ECHO first hosted an Appropriate Technology Fair at our annual International Agriculture Conference in 2019, featuring over 20 different technologies. Our delegates explored and interacted with these tools, expanding possibilities. In keeping...
  3. 1986-01-01 This book is a catalogue of information that supports the activities of village workers all over Papua New Guinea.
  4. 2007-10-01 Echo, Inc. 20 pages, illustrated, photos
  5. 212 pages, illustrated C1-12
  6. Small is Possible is an account of what is being done by the Intermediate Technology Development Group and its counterpart organizations overseas, including those in Africa, India and Latin America, and a description of the alternative technology movements in Britain, the U.S. and Canada. These...
  7. 2001-01-01 There are many variations of sawdust cookstoves that have been used for years both in North America and around the world. These cookstove models provide a low-cost, low-input method for producing a high intensity flame that will burn for up to five hours using a waste product. These stoves are...
  8. 关键资源 2001-01-01 Often the biggest challenge faced by a tropical farmer is not in the production of a crop but rather in the preservation of the crop. Farmers may want to preserve a crop for future consumption or for sale at a time when the market will offer a higher price. Using a solar dehydrator is a simple,...
  9. 2002-01-01 A composting toilet is any system that converts human waste into compost through the natural breakdown of organic matter. The photo above shows a composting toilet from the late 1800’s. Composting toilets provide a sanitary method to recycle human waste while conserving water and protecting the...
  10. 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.