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ESCWA Water Development Report 3

Role of Desalination in Addressing Water Scarcity

image of ESCWA Water Development Report 3
There is a growing concern among the international community that a pending water crisis is threatening the entire global population, not only those living in arid to semi-arid areas. This Report, the second in the series of the United Nations World Water Development Report (WWDR), gives and overview of the water resources in the ESCWA (Economic and Social Commission for Western Asia) region based on the most recent data and information obtained from member countries. The state of water resources in the region is analyzed and assessed on the basis of data and indicators selected from available information and within the context of integrated water resources management (IWRM). The Report provides a comprehensive summary of the current situation of water resources in each member country in term of availability, accessibility and sustainability.

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Calculation of carbon abatement costs

In order to obtain the cost of carbon emissions per m3 of desalinated water, three pieces of information are needed, namely: (a) the thermal and electric energy consumption of various desalination processes (MJ/m3 thermal and kWh/m3 electric); (b) the amount of carbon emitted per unit energy (in order to estimate carbon emissions per m3); and (c) the cost per kg CO2.

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