To make (air, water, soil, etc.) dirty or harmful to health.

प्रदूषित करना

English Usage: Industrial waste can pollute the river.

Hindi Usage: औद्योगिक कचरा नदी को प्रदूषित कर सकता है.

The presence in or introduction into the environment of a substance which has harmful or poisonous effects.

प्रदूषण

English Usage: Pollution is a major concern for many cities.

Hindi Usage: प्रदूषण कई शहरों के लिए एक बड़ी चिंता है.