Population growth Essay

This essay has a total of 1218 words and 6 pages.

population growth








POPULATION GROWTH

We are in grave , grave trouble. There are 3,6 billion human beings on the face of the
Earth.According to our best estimates, there are somewhere between three and seven times
more people than this planet can possibly maintain over a long period of time.
…Non-renewable resources are being exhausted at a horrendous rate, and we are destroying
the capability of the planetary ecosystem to renew the supply of renewable resources.
(Hinrichs,8)

The worse however is yet to come.here are some numerical data that are present in John
Laffin’s The Hunger to Come: “About 2050 the population will be 15.000 million, a century
later 82.000 million and by 2350 a frightening 440.000 million will be reached”(47).We
need to realize the necessity of a population plan which will make us more optimistic as
far as our future is concerned.This plan must be based on the fact that the control of the
rapid population growth is necessary globally; otherwise, earth’s environment will be put
into greater danger,the overexploitation of natural resources will continue and poverty
will rise in most of the world’s countries.

In order to understand why rapid population growth is a threat and why we need to control
it we must examine the problems which population expansion generates.

First, population growth has serious effects on the environment. As we all know we consume
materials and energy from earth and then return heat and wastes to earth. It is only
logical to say that there is a limit at which these wastes can come to our planet without
having serious effect on humans. According to Noel Hinrichs the basic reason for the
decrease in the quality of the environment is the absence of control over technology,
land-use and especially over pollution. Nevertheless, due to the fact that population
growth makes worse all those unfortunate situations, and the control of population density
can buy us some time to control the rest of the problems, one has to recommend the control
of population explosion.(45)

As the human numbers increase, deterioration of water quality and destruction of animal
and plant communities increase too.

Water pollution has been partly caused by population growth. “Humans consumed, stored and
diverted water and used it to carry away wastes without regard to health or ecological
consequences, which were considered inconsequential” (Turner II et. al. 254). These human
actions plus population expansion and the necessity has as a result the deterioration of
water quality in rivers, with effects by human actions and development on or close to them
(267).

As mentioned previously animal and plant species are in danger due to population
explosion. The serious effects of population growth apply even on the protected locations
of this planet. Even in the USA, that has a statistical low population expansion, the
natural parks experience a loss of species and habitat degradation due to immense numbers
of people and their actions (365). “… The regions of Brazil with the highest human
densities over the greatest period of time show extensive degradation of plant and animal
communities” (364).

But rapid expansion of human numbers does not have effects only on the environment in
general but also causes overexploitation of natural resources and provides pressure on
food supplies. As a result it will not be long until we observe a remarkable decline in
our living standards, or in other words a decline in our quality of life.

Specifically land, forest and water are some of the vital resources that are threatened by
enlargement of population density. Because population growth has expanded greatly over the
last 500 years , as larger numbers of people needed more food supplies and commodities
from natural resources and agricultural activities, more and more people occupied biger
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