Gurbatar Ganga, babban kogi a Indiya, yana haifar da babbar barazana ga lafiyar ɗan adam da mahalli mafi girma. Tsananin ƙazantar da ƙazantar da ɗan adam da gurɓatattun masana'antu, kogin yana ba da ruwa ga kusan kashi 40% na yawan jama'ar Indiya a faɗin jihohi 11, wanda ke bautar kimanin mutane miliyan 500, wanda ya fi kowane kogi a duniya. Babban abin da ke haifar da gurbacewar ruwa a cikin kogin Ganga shi ne zubar da shara da sharar dabbobi, da karuwar yawan jama'a, da zubar da sharar masana'antu a cikin kogin. Kogin yana gudana ta cikin birane 100 tare da mutane sama da 100,000; Garuruwa 97 masu yawan mutane tsakanin 50,000 zuwa 100,000, da kuma garuruwa kusan 48. Babban rabo na ruwan najasa tare da ɗimbin ɗumbin kwayoyin a cikin Ganga daga wannan yawan ne ta hanyar amfani da ruwan cikin gida. ^ "The WaterHub". Retrieved 29 July 2021. Robert Flynn (15 September 2016). Conaway, Cameron (23 September 2015). "The Ganges River is Dying Under the Weight of Modern India". Newsweek. Retrieve 29 July, 2021.