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Tag: Sustainable development

Water desalination
Desalination is an increasingly important practice to secure clean water in a number of countries. Monitoring is key to minimize negative impacts on the ecosystem.
01 Mar 2010 - by GRID-Arendal
A look inside - Concentrations of micro-organisms excreted in one litre of wastewater
What one litre of wastewater might contain in terms of pathogens.
01 Mar 2010 - by GRID-Arendal
World population living in river basins with severe water stress
Increasing water scarcity with population increase.
01 Mar 2010 - by Giulio Frigieri
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.
01 Mar 2010 - by Giulio Frigieri
Wastewater in urban agriculture - Resource or threat?
Is reuse of wastewater a benefit or a threat for agri- culture?
01 Mar 2010 - by GRID-Arendal
Sanitation sewage and treatment in big cities - Two study cases
Case study to compare two urban centres.
01 Mar 2010 - by GRID-Arendal
Access to sanitation facilities
Access to improved sanitation remains a pressing issue in many regions.
01 Mar 2010 - by GRID-Arendal
Freshwater and wastewater cycle - Water withdrawal and pollutant discharge
As water is extracted and used along the supply chain, both the quality and quantity of water is reduced.
01 Mar 2010 - by GRID-Arendal
Distribution of causes of death among children under five years and within neonatal period
Distribution of causes of death among children un- der five years and within the neonatal period, 2004 (Figure from WHO, 2008).
01 Mar 2010 - by GRID-Arendal
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 the left shows that the financial NPV does not change with increasing population size ...
01 Mar 2010 - by GRID-Arendal
World fresh water supply
Water is the life force of our planet, but only 1 per cent of all the freshwater on Earth is available for human use.
01 Mar 2010 - by GRID-Arendal
Water for food
The volume of water required to produce different food products varies enourmously, as do the waste products.
01 Mar 2010 - by GRID-Arendal
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 require wise investment in how we use and reuse our water (UN Water Statis...
01 Mar 2010 - by GRID-Arendal
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 on health in particular averting diarrhoea cases and time saved (increasing ...
01 Mar 2010 - by GRID-Arendal
Child mortality rates
Child mortality rates by cause and region, 2004. Source: WHO, 2008.
01 Mar 2010 - by GRID-Arendal
Converting water into red meat
Production of red meat has a significant demand on water with impacts on quality.
01 Mar 2010 - by GRID-Arendal
Forest conservation and sustainable management initiatives
In November 2009, in an attempt to preserve the forests and slow deforestation, the Governments of Guyana and Norway signed a memorandum of understanding for cooperation on issues related to combating climate change, pro...
22 Nov 2010 - by Nieves López Izquierdo, Associate Consultant UNEP/GRID-Arendal
Inequity in access to clean water and sanitation
The supply of safe drinking water and the provision of sanitation are management issues that raise concerns about inequitable service provision, particularly in developing countries. Although several successful initiativ...
26 Jan 2009 - by Phillippe Rekacewicz, February 2006
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