Noise Pollution - Role Play Group1 Park Young Kyu Bae Jung Eun Zhang Yiheng Jagdal Erdentungalag Contents Introduction & Definition Sources Human health effects by Doctor Environmental effects by Environmentalist Role Play How to reduce the noise pollution by Environmentalist Summary & Q&A Introduction What is noise? YouTube - Noise Pollution - Noises we hear Definition Displeasing sound that disrupts the activity or balance of human or animal life. Sources Transportation systems motor vehicle noise, aircraft noise, rail noise, car alarms Sources Poor urban planning side-by-side industrial, residential buildings Sources Working place office equipment, factory machinery, construction work, grounds keeping equipment Sources Residental area barking dogs, appliances, loudspeakers and noisy people Human health effects Hearing loss Human health effects Human health effects Cardiovascular effect In 1999, the World Health Organization. long-term noise exposure above 6770dB and noise levels of 50 dB at night Human health effects Elevated blood pressure 1) Lead to elevated blood pressure because of increased adrenaline levels 2) Increased frequency of headaches, fatig -ue, stomach ulcers and vertigo Human health effects low-birth weight babies (less than 2,500 g) The difference between the hormone levels of pregnant mothers in noisy versus quiet areas Human health effects Annoyance Young children develop speech or reading difficulties Environmental effects Reduction of usable habitat - the death of certain species of beached whales, brought on by the loud sound of military sonar Environmental effects Zebra finches become less faithful to their partners when exposed to traffic noise Role Play Doctor: Zhang Yiheng Patience: Jagdal Erdentungalag Environmentalist: Bae Jung Eun How to reduce the noise pollution Suggest the solution from Environmentalist 1.noise barriers, traffic contol. limitation of vehicle speeds, heavy vehicles 2. Redesign of industrial equipment, shock mounting assemblies, physical barriers Summary & Q&A THANK YOU!!!