Answer :

It is advised that industries around the Taj Mahal should switch over to cleaner fuels such as CNG and LPG because pollutants in air are discolouring white marble of Taj Mahal.


This discolouration is known as marble cancer. The sulphur dioxide and nitrogen dioxide gases being released by industries are causing acid rains. Acid rain dissolves the marble of the Taj Mahal.


Taj Mahal is one the Seven Wonders of the World and generates a lot of tourism. If the beauty of Taj Mahal fades, it would be a cause for concern on a national scale.


CNG (Compressed Natural Gas) and LPG (Liquefied Petroleum Gas) are ecofriendly and cause no harm to the environment. Therefore, it is advised that industries should switch over to CNG and LPG.


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