These days when we think of eye-watering, lung-blackening smog, it’s usually Chinese cities that come to mind. Air quality was so bad there that during the Beijing Summer Olympics in 2008, a significant fraction of the country’s power generation, industrial production, and transport sector was shut down to allow athletes to breathe half-decent air and perform well.
continue reading Think air quality doesn’t matter? Look at Pittsburgh in the 1940s | MNN – Mother Nature Network.
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Respro® Bulletin Board 
Good picture – got any of London’s Pea Soupers – Pintrest album?
Thank you! Yes, there’s more on our Pinterest board: http://pinterest.com/resprouk/air-pollution/ Some London shots too.