Chinese government is poised to conduct its first national survey of pollutionsources 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 pollutionsources 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 pollutionsources and using cleaner cookstoves in homes.