pollution

3. WHAT IS POLLUTION?
 Pollution is the introduction of
harmful chemicals into our
environment that causes harm or
discomfort to the ecosystem that is
physical systems or living
organisms.
 Pollution can take the form of
chemical substances or
energy, such as noise, heat or light.

4. TYPES OF POLLUTION
 Air pollution
 Water pollution
 Noise pollution
 Land pollution

5. AIR POLLUTION
 Air pollution is the
introduction of
chemicals, particulate matter, or
biological materials that cause
harm or discomfort to humans or
other living organisms, or cause
damage to the natural or built
environment, into the atmosphere.

6. WATER POLLUTION
 Water pollution is the
contamination of water bodies.
Water pollution occurs when
pollutants are discharged
directly or indirectly into
water bodies.
 Water pollution affects plants
and organisms living in these
bodies of water. In almost all
cases the effect is damaging not

7. Noise pollution
 Noise pollution is
excessive, displeasing human, animal
or machine-created environmental
noise that disrupts the activity or
balance of human or animal life. The
word noise comes from the Latin word
nauseas, meaning seasickness.

8. LAND POLLUTION
 Land pollution is the degradation of
Earth's land surfaces often caused
by human activities and their misuse
of land resources. It occurs when
waste is not disposed properly.
Health hazard disposal of urban and
industrial wastes, exploitation of
minerals, and improper use of soil by
inadequate agricultural practices
are a few factors. Urbanization and
industrialization are major causes
of land pollution. The Industrial