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Smog may be getting worse in some cities thanks to Arctic warming

Smog may be getting worse in some cities thanks to Arctic warming

26 March 2019

Rising temperatures in the Arctic may be weakening winds in China and India, lessening air flow over major cities and exacerbating winter smogs

A bus

Exposure to dirty city air reduces sperm quality and quantity in mice

24 March 2019

Dirty city air may be reducing sperm quality. Mice exposed to tiny pollution particles produce less sperm of a lower quality than those that aren't

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