BEIJING -- China's government yesterday unveiled its most detailed survey ever of the pollution plaguing the country, revealing that water pollution in 2007 was more than twice as severe as was shown in official figures that had long omitted agricultural waste.
The first national pollution census, environmentalists said, represented a small step forward for China in terms of transparency, but the results also raised serious questions about the shortcomings of China's previous pollution data and suggested that even with limited progress in some areas, the country still had a long way to go to clean its waterways and air.
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