air pollution
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toxic and harmful substances in the air that can cause illnesses
- The heavy air pollution made it difficult to breathe and caused itchy eyes for many residents.
- Traffic congestion was a major contributor to the rising air pollution levels in the city.
- Wearing a face mask offered some protection from inhaling harmful particles caused by air pollution.
- Scientists are developing cleaner energy sources to combat air pollution and its negative impact on the environment.
- Public awareness campaigns encouraged people to use public transportation or carpool to reduce their contribution to air pollution.