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Specialist: Tehran’s noise pollution exceeds permissible levels
By Sadeq Dehqan & Zahra A’rabi The level of noise pollution exceeds permissible levels in Tehran, said the head of Iranian Association of Audiology.
Spider-web 'labyrinths' may help reduce noise pollution
Researchers have demonstrated that the geometry of a natural spider web can be used to design new structures that address one of the biggest challenges in sound control: Reducing low-frequency noise, which is the second most widespread environmental problem in Europe after air pollution.
Tehran noise pollution critical
People work hard for months to find a day off and embrace Nature to escape from the hubbub of urban life.

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