pollution
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/pəˈluːʃn/
🇬🇧
/pəˈluːʃn/
making air, water, or land dirty
Factories cause a lot of pollution that harms our air and water.
dirty substances in air, water, or land
The smoke from cars is a type of pollution that makes the air unhealthy.
too much noise or light that is harmful or annoying
Loud traffic creates noise pollution that disturbs people in cities.