The Taj Mahal one of the seven wonders of the world is located in Agra. It is made of white marbles. The effect of pollutants like SO2 , NO2 , smoke, dust, soot, etc. on it has turned the marble from white to yellow.
Precautions to protect Taj Mahal:
1. Switch over to cleaner fuels like CNG (Compressed Natural Gas) and LPG (Liquify Petroleum Gas)
2. Use unleaded petrol in vicinity of Taj Mahal.
3. Shift polluting industries to the outside of Agra city.
4. Industrial pollution should be banned around the Taj Mahal.
5. Limited vehicular use in a specific radius.
6. An electronic board should be installed in the Taj Mahal premises, that compares current pollution levels, to the levels that deemed safe.
