Pollution

The balance in an ecosystem is also disturbed when one or more of its parts is damaged by pollution.Pollution occurs when substances that are harmful to living things contaminate the air,water or soil.

Such substances include poisonous chemicals,garbage and radioactive wastes.Even excess amounts of otherwise beneficial materials such as carbon dioxide can also be considered as pollutants.It is difficult to predict how pollution will ultimately affect Earth and its inhabitants,but it has already greatly affected human and environmental health.There are several types of environmental pollutions.They are,
    1. Water Pollution
    2. Air Pollution
    3  Land Pollution
    4. Noice Pollution