pollutionnoun [ U ]uk /pəˈluː.ʃən/ us /pəˈluː.ʃən/
- The company claims it is not responsible for the pollution in the river.
- Car exhaust is the main reason for the city's pollution.
- The once azure skies of Athens have been ruined by atmospheric pollution.
- The survey shows a link between asthma and air pollution.
- Stricter controls on air pollution would help to reduce acid rain.
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