Chinese government is poised to conduct its first national survey of pollution sources in February to help control environmental deterioration in the country.

中国政府准备在2月份进行首次全国污染源调查，以帮助控制环境恶化。

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First, then, how does the car cause air pollution?

首先，轿车如何导致空气污染？

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And just last month, we set another first: the first national standards for mercury, arsenic and other air pollution from our nation's power plants.

而且就在上个月，我们确立了另一个第一：针对我们国家发电厂排放的汞、砷、和其他空气污染的第一个全国标准。

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Mr Garson said the commission carried out hundreds of forest operations and harvested about 700, 000 tonnes of timber every year, but this was the first pollution incident resulting from harvesting operations for more than 10 years.

BBC: Forestry Commission fined ?24,000 for Powys pollution

The country's first national census of pollution sources is due to begin in February.

ECONOMIST: Environmental protection in China

For many years, economists have observed that as agrarian societies industrialised, pollution increased at first, but as the societies grew wealthier it declined again.

ECONOMIST: Local difficulties