Journal of Scientific Research and Reports

Noise is the excessive and unwarranted sound that creates discomposure to human beings and abruptly disrupts the quality of the environment. The noise is magnified by the intensity of the sound produced at a particular place and is measured in decibels (dB). The noise pollution is mainly caused by the transportation of road, rail, airways and industrial activities. Increased growth and development of the cities marks the predominant source for the road travel of the people. The road traffic in main cities becomes part and parcel of life because everyone contributes to the self and development of society as a growing concern for the community. Green energy usually absorbs and disintegrates the excess noise and air pollutants that divine has given us through green belts. Therefore, the green belts helps in the natural source of noise and air pollutant reduction. The potentialities of the greenbelts are laid along the road-sides have been assessed in Coimbatore, Tamil Nadu at various selected places. Reduction of noise level was achieved up to 14 dB under the green belt area while compared to the open area. An area with a higher crown density demonstrated a lower noise level than the area with a lower crown density.