Wednesday, July 2, 2014

Noise pollution.

Noise pollution is generated by excessive sound (loud and/or lasting) or is sound made in the wrong place.
The noise can have negative effects on health, for example insommnia, deafness, and mental deterioration. It can lead to a number of diseases as the inmune system weakens.


Dangerous decibels: How loud is too loud? Play and learn!
http://www.dangerousdecibels.org/virtualexhibit/index.html


Check your hearing:
http://www.betterhearing.org/check-your-hearing


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