Early winter leads to air pollution in China
China is registering record levels of air pollution as an early onset of winter has led the authorities to turn on central heating, which is generally powered by coal.
Nov 09, 2015, 21:28 PM IST
China is registering record levels of air pollution as an early onset of winter has led the authorities to turn on central heating, which is generally powered by coal.
Nov 09, 2015, 21:28 PM IST