The human population increased
very slowly because of the high mortality due to frequent famine and the epidemics.
Between
AD 1800 and AD 2000
The human population increased
very rapidly because of the great advancement in medical technology.
Increase in the life span of man hastens man's effect on his
environment.
Pressure
on the environment
If this birth rate is maintained,
the human population will reach 7000 million by AD 2000.
Correspondingly, the demand for natural resources from the
environment and the discharge of more pollutants to it
increases. The continuous exploitation of natural resources
and the uncontrolled pollution of the environment will
eventually make the earth unsuitable for human inhabitation.
Birth Control
To save the environment, the most
effective method is birth control.