Alfredo Calixto

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The study describes people's reaction to environmental noise in Curitiba, a city of approximately 1.6 million inhabitants in Brazil. Data was collected using questionnaires randomly delivered to the city's residents. Out of 1,000 questionnaires, 860 (86%) were returned and assessed. The main noise sources found as disturbing were motor vehicle traffic (73%)(More)
The rapid increase in the motorization and urbanization to meet the needs of the people has resulted in increasing the number of vehicles in Indian roads during the past few years. With the great ease to public it has also resulted in degrading the environment to the greatest possible extents [5]. Besides gaining control over the air water and land now a(More)
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