China's Water Pollution Worse Than First Thought (REUTERS)

BEIJING (Reuters) - A new Chinese government survey of the country's environmental problems has shown water pollution levels in 2007 were more than twice the government's official estimate, largely because agricultural waste was ignored.

The data, presented by Vice Environment Protection Minister Zhang Lijun, revives persistent questions about the quality of Chinese official statistics and the effectiveness of a government push for cleaner growth after decades of unbridled expansion.

The first national census on pollution sources found that discharge of "chemical oxygen demand" (COD) -- a measure of water pollution -- in wastewater was 30.3 million metric tons, Zhang said.

The government had said in an official paper published two years ago that 2007 was the first year it managed to reduce water pollution, with COD falling 3 percent to 13.8 million metric tons.

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