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Bacteria could be making China's smog worse

Bacteria found in China's severe smog are multiplying causing the layer of pollution to thicken and may even pose a threat to human health, scientists have warned.  Big cities - particularly in the developing world - like Beijing are shrouded in a heavy, toxic smog from coal burning and vehicle exhaust.  Experts say that airborne bacteria may cause disease and affect allergies by releasing volatile organic chemicals as waste.  Read more...

 

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