How can noise pollution be controlled?

How can air pollution be controlled?

How Ozone depletion can be controlled?

How can nuclear wastes be controlled and managed?

Gaseous pollutants can be controlled by

The major source of noise pollution, worldwide is due to

The following table shows causes of noise pollution. Show it by a pie diagram .

Assertion : Bharat stage IV emission norms have been in place since April 2010, for 4 wheelers in 13 mega cities of India. Reason : Green muffler scheme refers to the plantation of trees and shrubns along road sides and is effective to control noise pollution only.