Green Muffler is

by

Green Muffler is

a technology for reducing air pollution
a method of afforestation
plantation along roadsides to reduce noise pollution
a process of reducing vibration
This question was previously asked in
UPSC CAPF – 2012
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The correct answer is C) plantation along roadsides to reduce noise pollution.
The term “Green Muffler” refers to the concept of using trees and shrubs planted in strategic locations, often in multiple rows along roads, highways, and industrial areas, to absorb and dissipate sound waves, thereby reducing noise pollution. The dense foliage acts as a barrier and a sound-absorbing medium.
While trees contribute to reducing air pollution (A) and are part of afforestation efforts (B), the specific term “Green Muffler” is predominantly associated with noise reduction through vegetation. It does not relate to reducing vibration (D).

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