Wastewater, Health and Human well being - Investing in water supply and sanitationInvestment to improve basic access to a safe water source and sanitation (WHO scenario A) can have a significant return with the largest impact on health in particular averting diarrhoea cases and time saved (increasing ...
Ratio of wastewater treatmentThe ratio of treated to untreated wastewater reaching water bodies for 10 regions. An estimated 90 per cent of all wastewa- ter in developing countries is discharged untreated directly into rivers, lakes or the oceans (U...
By UNEP/GRID-Arendal, Hugo Ahlenius
Child mortality ratesChild mortality rates by cause and region, 2004. Source: WHO, 2008.
Water for foodThe volume of water required to produce different food products varies enourmously, as do the waste products.
World fresh water supplyWater is the life force of our planet, but only 1 per cent of all the freshwater on Earth is available for human use.
Sanitation sewage and treatment in big cities - Two study casesCase study to compare two urban centres.
Population living in river basins where freshwater withdrawal exceeds 40 per cent of renewable resourcesPopulation by region was calculated averaging the results forecasted by the scenarios of the GEO-4 report using the WaterGAP modeling.
By Giulio Frigieri
World population living in river basins with severe water stressIncreasing water scarcity with population increase.