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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But what about pollution sources that have already been built?

但是，那些已经建成的污染源又该怎么办？

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Minimize children's exposure to air pollution by keeping schools away from factories and other pollution sources and using cleaner cookstoves in homes.

让学校远离工厂和其它污染源，普及家用清洁炉灶，从而减少儿童暴露在空气污染中的机会；

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

ECONOMIST: Environmental protection in China

"How to reduce the emissions from pollution sources is of paramount importance for improving our ever deteriorating air quality, " he says.

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Not surprisingly, in the United States, asthma sufferers are often in low-income communities near major pollution sources, such as freeways or factories.

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