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Wastewater, a global problem with differing regional issues
The significance of wastewater and contents of wastewater vary greatly between and even within regions. In Africa for example, it is the impact on…
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Distribution of causes of death among children under five years and within neonatal period
Distribution of causes of death among children under five years and within the neonatal period, 2004 (Figure from WHO, 2008).
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Converting water into red meat
Production of red meat has a significant demand on water with impacts on quality.
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Centralized or decentralized? – Uganda. A study case
Looking at the costs and benefits, centralized systems may not be the answer in terms of best result for the investment. The chart on…
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Population increase and water resources
The world’s water resources will not change, but the human population and its demands on supply are growing rap- idly. Meeting these demands will…
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A look inside – Concentrations of micro-organisms excreted in one litre of wastewater
What one litre of wastewater might contain in terms of pathogens.
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Access to sanitation facilities
Access to improved sanitation remains a pressing issue in many regions.
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Wastewater, Health and Human well being – Investing in water supply and sanitation
Investment to improve basic access to a safe water source and sanitation (WHO scenario A) can have a significant return with the largest impact…
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Population living in river basins where freshwater withdrawal exceeds 40 per cent of renewable resources
Population by region was calculated averaging the results forecasted by the scenarios of the GEO-4 report using the WaterGAP modeling.
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Ratio of wastewater treatment
The ratio of treated to untreated wastewater reaching water bodies for 10 regions. An estimated 90 per cent of all wastewater in developing countries…
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Water for food
The volume of water required to produce different food products varies enormously, as do the waste products.
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World population living in river basins with severe water stress
Increasing water scarcity with population increase.