air pollution
Học thuậtThân thiện
Definition
- Noun:
- The contamination of the atmosphere by harmful substances: "Air pollution" refers to the presence of chemicals, particles, or biological materials in the air that cause harm or discomfort to living organisms or damage the natural environment.
Usage
- "Air pollution" is used as a non-count noun to describe the general condition of a polluted atmosphere.
- It is commonly discussed in contexts of environmental science, public health, policy, and urban living.
Examples
- Noun:
- The city has serious problems with air pollution.
- Air pollution from vehicle exhaust is a major concern.
- New regulations aim to control industrial air pollution.
Advanced Usage
- "to combat/tackle/fight air pollution": to take action to reduce it.
- The government launched a new initiative to combat air pollution.
- "levels of air pollution": a measurement of its severity.
- The levels of air pollution exceeded safe limits today.
Variants and Related Words
- Pollutant (n): a specific substance that causes pollution.
- Carbon monoxide is a dangerous air pollutant.
- Air quality (n): a description of the condition of the air, which is affected by pollution.
- The air quality index was poor due to smog.
Synonyms
- Atmospheric contamination: a more formal term for air pollution.
- Smog: a specific type of visible air pollution, often a mixture of smoke and fog.
Related Phrases
- Indoor air pollution: contamination of air inside buildings.
- Using certain cleaning products can contribute to indoor air pollution.
Related Idioms
- (To be) under a cloud (of pollution/smog): to be in an area with very bad air pollution. (Note: This is an extension of the idiom's typical metaphorical use).
- The industrial valley often lies under a cloud of smog.
Noun
- pollution of the atmosphere
- air pollution reduced the visibility