World's population issue today.

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                Cheban

David Cheban

Biology, Section 104

Dr. Preston

November 05,2003

World’s population issue today

        According to Werner Fornos one of the biggest global issues in our time frame is the population growth and declining natural resources. The population is in a severe situation in some parts of the world. It is not the case in the United States, where comparing to other countries the population growth rate is much lower. Although in US the mortality rate is not high the population is not growing rapidly. One of the reasons is because it uses all kinds of contraceptive devises and fewer children are being produced.

        In today’s world there are 6.2 billion people and the global growth rate is still in its exponential phase. The growth rate is higher in the underdeveloped countries, for example Bangladesh, where the population is very dense. As the population increases, the use of natural resources increases also. Because all the resources are limited or have an end in the process, some people are concerned about the conservation of the natural resources. Some examples are:

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        1. Forest declining, cutting down the rain forests which are homes for many animals.

        2. The loose of topsoil is also a problem. It is determined by the following aspects: urbanization, population expansion, marginal forming, and desert expansion in Africa  

        Global warming is another problem that is faced in our period of time, because all of the chemical gasses that are released into the atmosphere, the sun hits these gasses and causes climate change. These changes affect the agricultural growth which results in a low agricultural productivity, and in some parts of the world people are unable to feed ...

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