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Background: Wastewater irrigation for vegetable production is a highly prevalent practice in Addis Ababa and a number of articles have been published on wastewater-irrigated soils and vegetables contaminated with heavy metals. However, to the best of our knowledge, an insight into assessment of h...


Woldetsadik, D.Drechsel, PayKeraita, Bernard N.Itanna, F.Gebrekidan, H.[Heavy metal accumulation and health risk assessment in wastewater-irrigated urban vegetable farming sites of Addis Ababa, Ethiopia]Heavy metal accumulation and health risk assessment in wastewater-irrigated urban vegetable farming sites of Addis Ababa, Ethiopia
Drechsel, PayKarg, H.Appoh, Richard K.Akoto-Danso, Edmund K.[Resilience of urban food supply in West Africa]Resilience of urban food supply in West Africa

Thirsty and hungry cities are posing significant challenges for the urban-rural interface ranging from food security to inter-sectoral water allocation. Not only is the supply of resources to urban centres a growing challenge in low-income countries, but even more is the urban return flow, as inv...


Drechsel, PayKeraita, Bernard N.[Agriculture in the rural-urban continuum: a CGIAR research perspective]Agriculture in the rural-urban continuum: a CGIAR research perspective
Semasinghe, C.Benders, J.Vairavamoorthy, VisakanFernando, SudarshanaDrechsel, Pay[Vulnerability and resilience of the Colombo urban food system to extreme weather]Vulnerability and resilience of the Colombo urban food system to extreme weather

Recent studies have examined the urban metabolism of cities using urban consumption as a proxy for food inflows but very few studies have aimed at quantifying the role of cities as trade hubs and nutrient sinks of their hinterlands. We therefore examined the linkages between food and animal feed ...


Karg, H.Akoto-Danso, Edmund K.Drechsel, PayAbubakari, A.-H.Buerkert, Andreas[Food- and feed-based nutrient flows in two West African cities]Food- and feed-based nutrient flows in two West African cities

Billions of people currently lack clean water and sanitation. By 2050 the global population will have grown to nearly 10 billion, over two-thirds of whom will live in urban areas. This Voices asks: what are the research and water-management priorities to ensure clean water and sanitation in the w...


Jamwal, P.Brown, R.Kookana, R.Drechsel, PayMcDonald, R.Vorosmarty, C.J.Vliet, M.T.H. vanBhaduri, Anik[The future of urban clean water and sanitation]The future of urban clean water and sanitation
Ngongi, N.Pridmore, P.Drechsel, PayVeenhuizen, René van[Does Africa need controlled environment agriculture?]Does Africa need controlled environment agriculture?

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