Practical Answers
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Bio-sand Water Filters
This brief focuses on bio-sand water filters, which use sand and gravel to partly clean water with a simple approach.
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Axial Turbine Guide to Installation
The guide gives the most important process steps for the installation of the Axial Turbine for the generation of hydro power energy.
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Axial Turbine Guide to Manufacture
This technical brief presents guidelines for the manufacture of the axial turbine which is used in the generation of hydro powered energy.
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Domestic Rainwater Harvesting Tank
A manual on how to train people in the construction of a ferrocement "pumpkin" water tank.
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Solar PV Technologies in Sri Lanka
Renewable energy practices in Sri Lanka
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RE Practices in Pakistan - Solar Thermal Technologies
Renewable energy practices and providers in Pakistan
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Community Based Organization Formation and Operation
An orientation module on Community Based Organization Formation and Operation
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Practitioners handbook for establishing community based early warning systems
This Practitioner's Handbook on Community Based Early Warning System is an effort to put together the early warning learning experiences from the field and communities in Nepal for wider uses for establishment of community based Early Warning Systems (EWS) in flood prone areas of Nepal.
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The Construction of Timberless House Model
The conflict in Darfur, which most analysts judge to have started in 2003 has had a devastating effect on the region. Many of the internally displaced people (IDPs) who were forced to flee their homes have ended up living in make-shift camps around the major cities such as Alfashir, Algenenina and N...
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Seed Multiplication of Improved Open-Pollinated Varieties
Community-based seed multiplication of open-pollinated varieties (OPV) can mitigate against hybrid seed unavailability and its soaring cost thereby increasing access to standard seed for communal areas, especially in drought prone areas.