Select the incorrect statement.
1
In the 1990s, Delhi ranked fourth among the 41 most polluted cities of the world.
2
Mass Emission Standards (Bharat Stage II which is equivalent to Euro-II norms) are not applicable in any of the cities of India.
3
The main challenge with switching over to CNG is the difficulty of laying down pipelines to deliver CNG through distribution points/ pumps and ensuring uninterrupted supply.
4
In India, the Air (Prevention and Control of Pollution) Act came into force in 1984, but was amended in 2022 to include noise as an air pollutant.