There are many success stories In our light against air pollution. For example, a few years ago. Delhi was one of the most polluted cities in the world. It was being choked by fumes released from automobiles running on diesel and petrol.
A decision was taken to switch to fuels like CNG and unleaded petrol. These measures have resulted In cleaner air for the city. You might know of some other examples from your area regarding reduction of air pollution. Share these with your friends.
