Pollution of the Ganges or Ganga , the largest river in India , poses significant threats to human health and the larger environment. Today, the Ganges is considered to be the fifth-most polluted river in the world. Stretches of over km mi were essentially ecologically dead zones. A number of initiatives have been undertaken to clean the river, but failed to deliver desired results. The main causes of water pollution in the Ganga river are the disposal of human sewage and animal waste, increasing population density , and disposal of industrial waste into the river.
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The leather industry, besides being a major contributorto the Indian national economy, is unfortunately alsoone of the major polluters. The present articlediscusses the influence of the wastes on thephysicochemical characteristics of the Ganga water andsediments. Two sampling sites have been chosen atKanpur, the first before and the second after thepoint where tanneries are located. The samephysicochemical parameters which have been determinedin the wastes have been monitored at these two sitesfor two seasons. The results reveal that mostparameters increase as the river traverses betweenthese two points. The increase in values of parameterssuch as BOD, COD, Cl - , and total solids could bedue to the domestic wastes just as much as to thetannery wastes. Phenols and sulfides, can also comefrom other sources, but their probability of comingfrom tanneries is higher.
Total distance covered by the river is , square miles. The River covers 29 cities having a population of more than ,, flows through 23 cities having population between 50, and , and near about 48 towns. The Ganga is considered as the holiest river in India with massive spiritual, religious and ritual significance. The Ganges tolerate domestic waste such as defecation, untreated industrial waste, and pollution during religious events.
Fourth in series, this webinar was attended by people from about institutions across India and the UK. The webinar recieved an overall positive response; in their feedback, the audience highlighted that they gained new knowledge and the talk positively infleuenced interest amongst the audience in the study area. The water quality of River Ganga in India has been deteriorating in the last few decades. It is essential for us to understand the river system, its mechanism, the best location for waste disposal, amount of waste disposed, waste assimilative capacity, and influx of non-point source pollution from urban and agricultural areas, and then to issue advisories to industries and municipal corporations, accordingly. River hydraulics govern the dilution, diffusion, dispersion, reaction and settling of pollutants.