"The global impact of energy demand and the unstable fuel prices to power national economies have not only affected the industrious countries but all countries and the most hard hit are poor and developing nations. The ...

Kigali city, the capital of Rwanda, relies on decentralized, on-site, wastewater systems due to the absence of central sewerage systems and the limited finances to construct sustainable sanitation infrastructures. However, ...

Climate change has continued to impact negatively on water resources globally. For instance, extreme weather conditions especially the drought phenomena have become frequent in Africa. This has prompted water engineers and ...

In recent years, energy efficiency figures prominently in energy policies of African countries. This study analyzes the total‐factor energy efficiency in West Africa economies over the period 1990‐2013 using DEA model. The ...

Spate-irrigation, a system foreseen as a potential means of improving agricultural production in rainfall deficit lowlands, is profoundly threatened by climate and land-cover change upstream. Yet, the actual implications ...

Animal rumen content and blood waste have been found to increase the economic feasibility of biogas plants. However, there are problems that may occur in a full-scale biogas plant using abattoir waste which can have ...

"The off-grid hybrid power systems were attracting to supply electricity to small companies and interprices in different aspects like reliability, sustainability and environmental protections. Hybrid power system with ...

After an extensive literature review on the methods of vulnerability mapping, analysis of the European project COST action 620, a geological and hydrological study of Merchich watershed, we saw the possibility of the ...

eTrash2Cash is a social enterprise that helps low income people in Nigeria exchange all their wastes for cash incentives, through that, it raises grassroot awareness on environmental sustainability and climate change. All ...

SolarSack is a water container that uses the sun to kill bacteria and virus in water, making it safe to drink. SolarSack combines a clever design, with the right material, resulting in a retail price of only 2€. With a ...