If air pollution in Copenhagen is reduced to the level found in the countryside by 2040, approximately one year will be added to the lives of its residents. Pollution from traffic, among other things, is the reason why Copenhageners have reduced life expectancy.

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If air pollution in Copenhagen is reduced to the level found in the countryside by 2040, approximately one year will be added to the lives of its residents. Pollution from traffic, among other things, is the reason why Copenhageners have reduced life expectancy.