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- Some methods of land cultivation or farming have led to reduction in the soils fertility and productive capability.
- Over cultivation and overgrazing have led to soil erosion (by wind or water).
- The over-exploitation of environmental resources without providing a means of regeneration to replace them.
- Deforestation, excessive mining, hunting, fishing and draining of water resources, are some of the typical activities through which man has caused a serious imbalance in the environment.
- The use of some chemicals and /or techniques to suppress or control human diseases and enemies such as insects, animals and reptiles have resulted in destruction of certain species, polluting water, air, soil with effects more detrimental to man.
- The use of secondary means of production in the process of industrialization and mechanized faming puts much pressure on natural resources and leads to various forms of environmental pollution.
- Gas leaks, radiation and chemical sprays harm and poison people, animals and plants.
- Certain patterns of human settlement can adversely affect the environment. The congestion of people in particular areas can lead not only to pollution but also to the disruption of the natural ecosystems of these areas. Cities today are experiencing severe environmental problems. Settlement on river banks and seashores not only interferes with the natural course of such features, but also leads to pollution as these waters become the dumping grounds of human waste.
Kavungya answered the question on April 19, 2019 at 07:57
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