How does industrial pollution degrade environment?

Industries have increased pollution and degraded environment. Industries create four types of pollution mainly air, water, land and noise. The smoke emitted by the industry pollutes the air and water very badly. 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 are the industrial effluent that discharge into rivers. They are both organic and inorganic. They pollute the water. Unwanted loud noise is also pollution. It arises from industries and other means of transport. Noise causes impairment of hearing.