Bảo vệ môi trường: Ấn Độ phun sương để giảm nồng độ bụi
In India’s capital New Delhi, officials are spraying mist into the air to reduce the amount of dust and tiny harmful particles that make air pollution worse. They are testing this mist-spray method to try to improve air quality, but experts say it is only a temporary measure and that deeper action is needed to reduce pollution at the source.
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