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Water polution
Water pollution is the contamination of water bodies (e.g. lakes , rivers , oceans , aquifers and groundwater ). This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds. Water pollution affects the entire biosphere – plants and organisms living in these bodies of water . In almost all cases the effect is damaging not only to individual species and population, but also to the natural biological communities . Water pollution is a major global problem which requires ongoing evaluation and revision of water resource policy at all levels (international down to individual aquifers and wells). It has been suggested that water pollution is the leading worldwide cause of deaths and diseases, [1] [2] and that it accounts for the deaths of more ...
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