Pollution Proof

The government has acknowledged what Hong Kongers have known all along: 80% of the city's air pollution problem comes from major industry in the Pearl River Delta region of Guangdong.

The Hong Kong and Guangdong governments aim to reduce sulphur dioxide emissions by 40% in the next five years. Whether they pull it off remains to be seen.

Click to view comic Were there any doubt regarding the mainland's role in producing air pollution, a map created by the University of Heidelberg in Germany all but kills the argument.

Compiled from 18 months of satellite data, the map reveals levels of nitrogen dioxide in the atmosphere. NO2 is released from heavy industry, vehicles and the burning of fossil fuels by power plants, all of which the Pearl River Delta has in abundance.

Too bad "one country, two systems" doesn't apply to the airspace as well.

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