1,They release harmful gases into the environment.
2.The machines in the industries give out loud noise that increase noise pollution
3Vegetation around the industries gets polluted
4They use up lot of ground water
5They discharge harmful effluents into the water beds
6Thus, they pollute our environment
7They creats hole in protective ozone layer which protect us from UV RAAY of the sun
8.They can cause breathing problems in our body