Different factors are responsible for the change in the environment. Population growth is one of the major causes of change in the environment. Over exploitation of natural resources, unplanned urbanization, industrialization, deforestation, excessive utilization of chemical fertilizers etc. bring change in the environment. As a result of excessive use of forests; the problem of flood, soil erosion, landslide, and draught occur. This brings change in the environmental structure. Due to increase in population, people make the maximum use of resources for their selfish motive. It disturbs the balance of natural resources bringing a change in the environment. Increase in number of vehicles and industries and building up of factories send out dusts, dirt, smoke, and chemicals into the environment. This spoils the environment causing undesirable changes in it.
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