THE capital’s “airpocalypse”, the choking smog that descended on Beijing in the winter of 2012-13, galvanised public opinion and spooked the government. The strange thing is, though, that information about air pollution—how extensive it is, how much damage it does—has long been sketchy, based mostly on satellite data or computer models. Until now.
China | The environment
Mapping the invisible scourge
A new study suggests that air pollution is even worse than thought
|BEIJING
This article appeared in the China section of the print edition under the headline "Mapping the invisible scourge"
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