Visit any industrial establishment to observe kinds of smoke liquid and solid wastes come out of the compound and find out from the nearby residents about their impact on plants and animals.

Organic and inorganic waste from industries get discharged into the rivers. The industries that increase water pollution are paper, pulp, chemical, Textiles and dyeing, petroleum refineries, tanneries, and electroplating industries.

When the hot water from the plants, factories are drained into rivers and water bodies before cooling down, it has an ill effect upon the aquatic life.

It also reduces the oxygen content which suffocated the aquatic life.