Pollution
is any
degradation of the
environmental conditions of any collectivity. It is a
loss, even relative,
of the quality of life caused by a
environmental change.
There are agents that provokes pollution when they are in great amount. They
can be gases, sounds or solids and be in the atmosphere, rivers and beaches. It
is possible to count an enormous number of this kind of agents.
The problem
of pollution, therefore, touches the life quality of groups of persons. The
degradation of the environment by the human being provokes the deterioration of
this quality, because the environmental conditions are necessary for all lives,
both in biologic sense and social one.