Thursday, December 19, 2019

The Effects of Overpopulation on the Environment Essay

The Effects of Overpopulation on the Environment The world population reached 6 billion, on October 12, 1999. It will reach 9.3 billion by 2050. The impacts of continued population growth are already felt by a majority of nations. Overpopulation is the root cause of most environmental problems. The demands of increasing population magnify demands for natural resources, clean air and water, as well as access to wilderness areas. This means an increase in the demand for living space. The quality of life for future generations depends on stabilising both domestic and world population. The dramatic rise, in population has transpired for several reasons; 1) Decreasing death rates in poorer†¦show more content†¦5) Only Western forms of birth control techniques and educational programs will slow birth rates. In all under-developed countries, providing basic is education is difficult. The increase in population is not the only pressure on the enviroment. Increasing living standards amongst, developed countries, demands more from the enviroment. These two factors mean that; 1) Raw materials (including non-renewable energy resources) are rapidly being used up. 2) More and more waste is being produced. 3) Unless waste is properly handled more pollution will be caused. When the Earths population was smaller, the effects of human activity were usually small and local. More people means less land for plants and animals. There are for main ways that humans reduce the amount of land avaialble for other animals and plants; 1) Building 2) Agriculture 3) Dumping waste 4) Quarrying More people means more enviromental dammage. Human activity can pollute all three parts of the enviroment: 1) Water-with sewage, fertilliser and toxic chemicals. The use of fertilliser leads to eutrophication. 2) Air- with smoke and gases such as sulphur dioxide, and nitrogen oxides 3) Land-with toxic chemicals, such as pesticides and herbicides. 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