Why are air and noise pollution an issue?
Noise Pollution – Negative Effects (2/3)
This image shows the pyramid of noise effects.
The bottom base shows the number of people affected, this number decreases to the top.
The height of the pyramid shows the increase in severity of the effects.
From bottom to top the effects are:
Feeling of discomfort (disturbance, annoyance, sleep disturbance)
Stress indicators (autonomous response, stress hormones)
Risk factors (blood pressure, cholesterol, blood clotting, glucose)
Disease (insomnia, cardiovascular)
Mortality