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January 16, 2013 09:58 pm GMT
Original Link: http://feeds.mashable.com/~r/Mashable/~3/QuhFrQykbv8/
Aghast Over Beijings Pollution? Look at Pittsburgh 60 Years Ago
Change takes a long time. Pittsburgh, for its part, did not enact smoke controls until more than a century after travelers described it as hell with the lid off.
More About: beijing, china, climate change, history, pollution
Original Link: http://feeds.mashable.com/~r/Mashable/~3/QuhFrQykbv8/
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