People conduct various developmental activities from small to large ones. If man conducts development works with proper plans in an Eco-friendly way, such works have no such a challenging impact on the environment. However, such development works are without the plan and they are not environment-friendly, they will have negative impacts on existing environment. The effects of unplanned development on environment and their mitigating measures are as follows: -
Urbanisation is a process of increasing in the area of urban centres and proportion of people living in that area. In this modern age, the process of urbanisation also grows along with the process of industrial development. The increase in population pressure causes the surrounding areas of town change in urban areas. Hence, urbanisation includes the urban area and the growth of population living there. Therefore, urbanisation not only denotes the growth of the area of towns but also the growth of population. In municipality and metropolitan city, there must be basic physical facilities like electricity, road, drinking water, communication, health and education.
The process of urbanisation needs proper planning. About half of the world's population is in theurban area. Migration from the rural area to urban area is increasing day by day. If there are unplanned building construction and settlement extension, mismanagement of sewage and garbage, lack of drinking water and electricity, then the process of urbanisation is unplanned. So, unplanned urbanisation means to develop town or area without planning infrastructure which is unhygienic and unhealthy for the settlement.
Some of the alarming effects of unorganised urbanisation on environment are as follows: -
The suitable measure to control the effects of unorganised urbanisation is simply the urbanisation after proper planning. Besides, the following means can be applied to solve the unplanned urbanisation: -
Destruction of natural resources and pollution are two main effects of development activities on environment.
To curb urban-orientation migration is an effective measure to control unmanaged urbanization.
Distribution of the development works in all the areas or region in a balanced condition to avoid their limited number in a single place is called Decentralization. It helps to balance the environment by following ways:
The negative consequences by constructional works are as follows:
Dormitory town means the village areas that are facilitated with necessary services and facility but not as modeled as that in the town. Such areas are developed by providing essential services to village areas like electricity, communication, etc. It helps to reduce the evil subsequences of unorganized urbanization because:
The effects of development works on environment are:
Unplanned urbanization brings very serious problems which can be listed as follows:
Due to human activities, the following adverse effects are seen on the environment: