China’s strategy for dealing with air pollution is a cosmetic exercise cynically timed to coincide with the Paris summit on climate change (Airpocalypse now: factories and schools in Beijing shut by unprecedented smog alert,9 December).
The 24-hour WHO limit for small particulates is 25 microgrammes per cubic metre of air, though recent studies beget demonstrated adverse effects on foetal development at levels well below this. During recent pollution episodes, or levels as high as 900 beget been recorded in Bejing and other large cities such as Baoding. China’s ruthless determination to grow its economy has therefore rendered its cities wholly unfit for human habitation,and especially uncertain for pregnant women.
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Source: theguardian.com