Guardian: The smog is back and the threat of another airpocalypse hangs heavy over Beijing. Late last week, PM2.5 readings hit 550 micrograms per cubic meter, more than 20 times higher than the World Health Organisation (WHO) recommended limit of 25g/m. Theres no mystery to the cause of this soupy, polluted, metallic-tasting concoction that makes up the capitals air: fossil fuel combustion.
Three decades of industrialisation have brought a prosperity to China that those living under Mao would have...