Practical Action Publishing
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Sustaining and Scaling Up Community Managed Water
Jeff Tan, Stephen M. Lyon, Attaullah Shah
Community-based water management (CBWM) remains the leading model for implementing and sustaining rural water supply services in low- and middle-income countries despite the lack of sustainability. Moreover, measures centred on providing external support to communities directly and through a wider p...
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Thermal Tests of the 'Solar Oven revision 2'
This report describes the thermal test of the solar oven revision 2 - built in August 2024. The aim is – based on the thermal measurements at the oven – to find out – for a given irradiation - how much the solar oven can rise its temperature T above the temperature of the ambient TAmb. - and how fas...
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Design calculations for the civil works and the practical implementations for an 8 kW - to 22 kW - upgrade of a micro hydropower run-off river scheme in Nepal
This paper comprises the implementation of: 'Two Ideas to Regain the Power Otherwise Lost in Run-off River Schemes with Elevated Powerhouses', a Practical Answers paper published by Practical Action Publishing in 2025.
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Considerations, design calculations, construction, test and evaluation of a cavity walled solar oven Part 2: Evaluation of insulation materials
This report is Part 2 of- (and an addendum to-) the Part 1 of: “Considerations, design calculations, construction, test and evaluation of a cavity walled solar oven”. Both Part 1 and Part 2 of the report are based on a cavity walled solar oven consisting of two boxes – one within the other – with a...
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Considerations, design calculations, construction, test and evaluation of a cavity walled solar oven
This report investigates the feasibility of designing a dual (i.e. cavity) wall and doubled glazed solar oven, with the aim to raise the operating temperature to as near to 100oC as possible. The present design has aimed to comply with the living conditions in - and to use cheap materials and tools...
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How to Build a Solar Oven out of Scrapped Materials
This is a brief guide-line on how to build a solar oven - based on experiences with building a homemade solar ovens, at the lowest possible cost, with simple tools and using scrapped materials. It is aimed to reduce the need for fire wood and other fuels in refugee camps.
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Backyard Bankers
Discover the world of immigrant ‘money clubs’ in the US. Learn how groups of migrants and refugees creatively pool resources to first survive—putting food on the table—then thrive as they expand their businesses and invest in real estate. From modest set-ups in Iowa to intricate systems in Boston, g...
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Kujenga Bustani Juuya Paa
Juliet Millican, Ahmed Sourani
This picture-led booklet, made in collaboration with GUPAP in Gaza and Sporos in Greece, explores how to grow Permaculture-inspired gardens on the roof, especially designed for communities. Re-Alliance is a coalition of field practitioners, policymakers, educators, community leaders and humanitaria...
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Food Growing in Camps and Settlements
Mary Mellet, Shaher Abdulateef, Juliet Millican, Richard Luff
This longer practical guide gives more detailed information on how to grow food in camps and settlements with limited water. Re-Alliance is a coalition of field practitioners, policymakers, educators, community leaders and humanitarian and development workers, sharing skills and experience to grow...
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Compostaje en la Comunidad
James Atherton, Jackie Kearney, Paulinho Muzaliwa
This illustrated guide explores how to establish composting at community scale, to build soil health, cycle 'waste', and grow community cohesion. Re-Alliance is a coalition of field practitioners, policymakers, educators, community leaders and humanitarian and development workers, sharing skills an...