Air pollution is caused by harmful gases such as carbon oxide, sulfur dioxide,nitrogen dioxide carbon monoxide and very small particles of carbon. Most of the pollution is caused by factories, vehicles and livestock. Today air pollution has become dangerous to humans. Heavy air pollution may asseverating problems such as asthma or other health problems. Lancer’s in human activities has also polluted air. Water pollution is the presence Of harmful materials in water, such sewage, dissolved metals, waste forearms and factories and crude oil spilled from hyperlinked tankers.
The three main substances that pollute water reinstates from fertilizers, sewage undergarments. [l] Pollution hey causes harm to organisms living in water and can also harm people’s health, and can cause problems such as cancer.  Noise pollutions The harmful noises in the environment, such as the sound of vehicles, loud speakers, etc. In a city is called noise pollution. Noise pollution can cause ear problems or even permanent deafness, especially to older people.
Noise elution can be defined as the unwanted sound present in the atmosphere. Soil pollutions Soil pollution pertains to the contamination of the soil due to man-made chemicals such as hydrocarbons, heavy metals, solvents, and the like. These chemicals come mainly from industrial activities, and also from improper waste disposal.