Page 49 - report_A Matter of Survival
P. 49

A Matter of Survival



             Water quality relates to the chemical, biological and   demographic and environmental changes. As mentioned above,
             bacteriological  characteristics  of water that may be  used   and with the exception of the European region, transboundary
             for different purposes: human consumption, irrigation,   water systems mostly focus on water quantity and allocation
             manufacturing, and mining to name just a few. Each potential   rather than on joint quality management. Problems related to
             use has different quality standards. Potable water, obviously, has   water quality deterioration must not be underestimated even in
             the highest standards in terms of lowly dissolved solids, absence   the advanced systems of transboundary water cooperation.
             of heavy metals, and adequate chemical and bacteriological
             characteristics. Each use renders the water with less quality,   A 2016 study undertaken by UNEP called “Transboundary River
             which affects users downstream.                    Basins: Status and Trends” shows a disturbing growth in risks
                                                                to water quality in transboundary river basins in the next 15-30
             Historically, watercourses have been and continue to be used   years due to climate change, socio-economic development and
             as a cheap and convenient conduit for wastewater disposal.   population increase. The study was based on the combined
             However, rapid industrialization, agriculture growth using   projected impacts of five indicators: environmental water stress,
             harmful chemicals, urbanization and other factors have created   human water stress, nutrient pollution, exacerbating factors
             a problem of widespread water pollution that needs to be   to water-based political tensions, and changes in population
             urgently addressed. According to some estimates, in developing   density. Four hotspots were identified in this context: the Orange
             countries, about 90 percent of the wastewater flows untreated   and Limpopo basins in Southern Africa; several river basins in
             into freshwater bodies. It is estimated that more than 80 percent   Central Asia; the Ganges-Brahmaputra-Meghna basin in South
             of transboundary river basins have serious water quality issues,   Asia; and the basins of the Jordan River, and the Euphrates and
             both in developed and developing countries.        Tigris in the Middle East.

             Water quality problems are not the same in different parts of   Most of these situations are characterized by the absence of
             the world: nutrient pollution, mainly nitrogen and phosphorus,   effective river basin arrangements among riparian countries,
             is found in the global North while pathogen contamination, i.e.   and efforts to develop such arrangements have so far not
             bacteria and viruses, of water resources occur in the global   succeeded. Nevertheless, we believe that basin agreements and
             South and Russia. Nevertheless, all quality issues require more   the necessary institutional arrangements are the way forward.
             urgent attention at the global level.              The obvious conclusion is the call to improved transboundary
                                                                water cooperation and joint action by riparian States to address
             Although technical, legal and political advances to improve water   water  quality  issues.  Given  the  political  sensitivities  in  the
             quality have been made in many parts of the world, they remain   hotspot regions, it is assumed that such cooperation and joint
             highly fragmented and are different in each region and country.   management would represent an important contribution to
             Furthermore, these advances are simply not in keeping with   regional stability and peace.












































             44
   44   45   46   47   48   49   50   51   52   53   54