Previous Year Question

A Green Muffler refers to developing a dense belt of trees and shrubs (Green Belt) around roads, industrial areas or other high-noise locations to reduce Noise Pollution.

The leaves, branches, trunks and shrubs help absorb, scatter and deflect sound waves. A vegetation belt of sufficient width and density can thereby reduce the intensity of noise reaching surrounding areas.

Vegetation used as a Green Muffler is generally more effective when it has dense foliage, trees of different heights and shrubs. Such green belts planted along roads can be particularly useful in reducing traffic noise.

An additional benefit is that trees and shrubs can also help reduce dust and certain atmospheric pollutants. However, the term “Green Muffler” is primarily associated with Noise Pollution control.