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The effects of overpopulation on the environment

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Introduction

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 countries, due to medical enhancements, better nutrition and improved sanitation. ...read more.

Middle

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 Earth's 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) ...read more.

Conclusion

Along with millions of species, this also causes a major increase in the greenhouse gas, carbon dioxide. Deforestation increases CO2, in the atmosphere , in two ways; 1) The trees, unsuitable for timber, are burned, releasing CO2 directly into the atmosphere. Microbes also release CO2, by decaying the felled trees that remain 2) Because living trees, use CO2, for photosynthesis, removing these trees, means less CO2 is removed from the atmosphere. Agriculture and burning fossil fules are necessary for our standards of living, and there is more demand on them as the population gets bigger. Greater care, must be taken to sustain the equillibrium, with our enviroment. The only way to ensure this, is to enforce sustainable development. A way of meeting the needs of todays population without harming the ability of future generations to meet their own needs. ...read more.

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