Industries have increased pollution and degraded the environment. Industries create four types of pollution mainly air, water, land and noise. The smoke emitted by the industry pollutes the air and water immensely. Air pollution is caused by the presence of a higher proportion of undesirable gases such as carbon monoxide and sulphur oxide.

Source of water pollution are numerous. Most important is the industrial effluent that discharges into rivers. They are both organic and inorganic. They pollute the water. Unwanted loud noise is also pollution. It arises from industries and the different means of transport. Noise causes impairment to hear.