Taj Mahal decay: Polluted Yamuna is the main cause, finds study

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The ancient marvel of the world, the Taj Mahal in Agra, is decaying as its white marble discolors. Until now, the decay of Taj has been attributed to industrial emissions. However, a new study has revealed that the discoloration of Taj’s marbles could be caused by the corrosive effects of hydrogen sulphide from the polluted Yamuna River.

Yamuna river in Agra is in a dismal state as the entire city’s sewage and industrial waste, including solid waste, flow into the river untreated. Agra has 90 nullahs, of which only 25 get treated by four plants, but these plants do not function at night.

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