pollution
CEFR: B1
The introduction of harmful chemical contaminants, industrial effluents, noise, or particulate waste into the natural environment.
Synonyms
- contamination
- degradation
- effluents
Common Collocations
- air pollution
- combat pollution
- levels of pollution
Example Sentence
Sediment pollution caused by unchecked logging runoff clouds downstream estuaries, suffocating delicate coral reefs.