Environment, Energy and Climate Change
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Climate Change and Threatened Communities
A groundbreaking follow-up to the 2012 Climate Change and Threatened Communities book, this collection revisits the 15 original case studies, offering fresh insights from the authors on their research sites as they examine parallel developments in their academic fields over the past 13 years. Thr...
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Two Ideas to Regain the Power Otherwise Lost in Run-off River Schemes with Elevated Powerhouses
For run-off schemes, floods often require powerhouses to be set back from the riverbanks. This raising of the level of the powerhouse frequently curtails much of the potential head. Two low-cost proposals for such run-off schemes are presented. One proposal is a draft tube combined with a longitudin...
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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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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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How to Build a Solar Oven out of Scraped 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 scraped materials. It is aimed to reduce the need for fire wood and other fuels in refugee camps.
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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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The Amazon in Times of War
The Amazon in Times of War presents both direct and indirect evidence showcasing the deliberate state policies behind the violence and devastation inflicted upon the Brazilian Amazon and its inhabitants. The collection features firsthand accounts detailing not just physical assaults, but also econom...
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Plastic Pollution Solution
Plastic Pollution Solution, for policy makers, details the effects of plastic pollution on people, animals and the planet and sets out ways to combat it.
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Nature-based Solutions for Climate Resilience in Humanitarian Action
Nature-based solutions (NbS) are actions that hold the twin objectives of providing for human well-being and protecting the environment. They are a tangible solution that can build immediate and long-term resilience for those affected by crisis. This Unpacked Guide focuses on NbS for resilience i...