Traffic is a major source of noise pollution because many vehicles are on the road at the same time make a lot of noise. Some of the major causes are listed below: Automobiles There are a number of factors causing Noise Pollution. Read More: NCERT Solutions for Environemental Chemistry Industrial- Working in environments with high intensity sound producing machines damages the hearing in the workers.Neighborhood- Household gadgets, utensils, musical instruments, etc are a constant form of noise pollution.This has caused hearing impairment among the elderly, headaches and stress. Transport- defeaning noise from the increase in the number of vehicles on roads.The types of noise pollution can be classified as: Read More: Environmental Issues & Solutions