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Water pollution is a major global problem that requires ongoing evaluation and. Pollution is of different kinds depending on the nature of pollutants and pollutions. They use them to find out about special things that interest them. Epidemiologic studies of organic micropollutants in drinking water. Pollution, whenever we talk about pollution then the major things we get in our mind is water pollution and air pollution. The effects of pollution are greater in shallow, enclosed or slow flowing streams. The level of water pollution depends on the abundance of the pollutant, the ecological impact of the pollutant, and the use of the water.
It has been suggested that it is the leading worldwide cause of deaths and diseases, and that it accounts for the deaths of more than 14,000 people daily. Biotoilets, bioremediation next post water pollution water pollution is the additionpresence of undesirable substances toin water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Thermal pollution occurs when water entering the stream is warmer than the water already present in the stream. If you have any query regarding ncert class 8 science notes chapter 18 pollution of air and water, drop a comment below. Some of thecommon methods used for wastewater treatment, including sewage treatment anddrinking water purification. The major causes of water pollution include sewage and other oxygendemanding wastes, urbanization, agrochemical wastes, thermal pollution, industrial wastes, nutrient enrichment, acid rain. The stress on our water environment as a result of increased industrialization, which aids urbanization, is becoming very high thus reducing the availability of clean water. Water pollution is not the only serious problem facing mankind. Environmental law and sustainable development 3 environmental law introduction to law notes directly or indirectly into water bodies without adequate treatment to remove harmful compounds. Recent survey has concluded that water pollution is affecting at a greater rate in rural areas than in urban regions due to lack of infrastructures for treating water before its use jabeen et al. Genevieve connors, urban development sector unit, east asia and pacific region. Water h 2o is an essential chemical for life on earth introduction the quality of water can be dramatically affected by pollution. Types and sources of water pollution there are several major types of water pollution. Project oceanography neighborhood water quality fall 2000 neighborhood water quality lesson 2.
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