Noise pollution seems to be the least talked about kind of environmental pollutions, the sad part is, it is a lot more serious than we see it to be. Being the cause of some very dangerous illnesses and a number of disorders, noise pollution is a very serious subject.
What exactly is it?
According to the definition by The World Health Organization (WHO), noise above 65 decibels (dB) as noise pollution. To be precise, noise becomes harmful when it exceeds 75 decibels (dB) and is painful above 120 dB. As a consequence, it is recommended noise levels be kept below 65 dB during the day and indicates that restful sleep is impossible with nighttime ambient noise levels in excess of 30 dB.
What causes it?
Basically, about 90% of noise pollution causes are man-made. From traffic noises that range from 90 dB to 100 dB, to construction sites with equipment that can produce up to 120dB to Air traffic with a single aircraft able to produce 130dB and pubs, night clubs and other nightlife events causing over 100dB. Noise pollution seems to be caused by human activity at most.
The effects of noise pollution are serious. Some of these effects are psychological ( stress, anxiety, depression, hysteria and others both in humans and animals). Sleep and behavioural disorders. Physical effects too like Respiratory agitation, racing pulse, high blood pressure, headaches and, in case of extremely loud, constant noise, gastritis, colitis and even heart attacks.
Solutions to help deal with noise pollution problems has to do with government measures and human behaviour changes. Without that, we will keep living with this dangerous problem for a very long time.
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