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Pollution
01
汚染 (おせん), 公害 (こうがい)
a change in water, air, etc. that makes it harmful or dangerous
Example
The pollution in the lake has made the water toxic to fish and plants.
Air pollution from nearby factories made the city ’s air quality dangerously low.
Due to the severe pollution, many species of birds no longer visit the area.
02
汚染（おせん）, 公害（こうがい）
the introduction of harmful or unwanted substances into the environment, typically causing harm to ecosystems, human health, or the planet
Example
The factory was fined for the pollution of the nearby stream with toxic waste.
Deforestation and the burning of fossil fuels contribute to the pollution of the atmosphere.
Agricultural runoff leads to the pollution of nearby lakes, causing nutrient imbalances.
03
汚染（おせん）, 公害（こうがい）
the condition or state in which something such as air, water, or land is polluted
Example
The city has been in a state of pollution for years due to poor waste management.
The region ’s pollution has led to poor air quality, making it difficult to breathe.
The area remains in pollution, with residents avoiding outdoor activities because of the smog.
