What pollution means?

Pollution is the introduction of harmful materials into the environment. Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants.

How do you say air pollution?

Air pollution Pronunciation. Air pol·lu·tion.

Can you spell pollution?

noun. the act of polluting or the state of being polluted. the introduction of harmful substances or products into the environment: air pollution.

How do you pronounce cause?