Noise: The other pollution hurting our health

By Nina Avramova, CNN

Updated 2202 GMT (0602 HKT) October 9, 2018

Helsinki Airport in Finland has become the most recent airport to quiet down due to advances in technology. This means announcements for flights will be made only at the gate area. The country's tourism slogan is, after all, 'Silence, Please.'
Photos: Silence, please. This is an airport
Helsinki Airport in Finland has become the most recent airport to quiet down due to advances in technology. This means announcements for flights will be made only at the gate area. The country's tourism slogan is, after all, 'Silence, Please.'
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Silent airports have been gaining popularity in Europe in recent years. Through the use of technology, facilities are able to reduce noise pollution without sacrificing timely and helpful information updates.  
Photos: Silence, please. This is an airport
Silent airports have been gaining popularity in Europe in recent years. Through the use of technology, facilities are able to reduce noise pollution without sacrificing timely and helpful information updates.  
Hide Caption
2 of 7