There are 53 million mu of arable land is in Hebei Province grain, oil, the main cotton-producing areas, Hebei Province, is the first pollution-free agricultural production base.

有耕地面积53万亩，是河北省粮、油、棉主要产区，也是河北省首批无公害农产品生产基地之一。

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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。

youdao

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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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