Question

how can air pollution be controlled?

Answer 1

air pollution can be controlled in many ways
like ....less usage of vehicles as they play an important role in releasing toxic gases to the atmosphere.
stop the car for some time during traffic or signals....this will help to conserve energy.
use CNG in vehicles
release of toxic substances from factories to the air must be controlled.

Answer 2

There are several measures that can be adopted by people to reduce pollution to save our environment-
i)carpool
ii)promotion of public transport
iii)no smoking zone
iv)restricted use of fossil fuels
v) plant more trees

hope the answer will help u..☺