Page 185 - Health, Population and Environment Education 9

Activity: 6

Visit your locality and observe the drainage of excreta. Observe whether it is treated or
not? Express your views for the management of excreta in your locality.

Activity: 7

Visit your locality and observe how the solid wastes are managed there. Prepare a report
and present in the class.

Activity: 8

Visit your locality and study the situation of latrines. On the basis of your study, answer
the following questions.
What kind of latrine do you What kinds of latrines are What are the bad effects of
have in your home? available in your locality? latrines in the environment?

Summary

1. The literal meaning of environment is the whole area covered with air.

2. Pollution can be defined as undesirable change in physical, chemical and biological
characteristics of air, water and land due to addition of unwanted substances in
them that adversely affects the health and the survival of all the living beings.
3. Pollutants are those substances which cause pollution.
4. Air pollution can be defined as undesirable change in physical, chemical and
biological characteristics of air due to addition of unwanted substances in it.

GREEN Environment Population and Health Education Book-9 185