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1. 1.2 - TYPES OF POLLUTION
RAJIV
SHIRKE

2. POLLUTION : Pollution is the introduction of
substances or energy into the environment,
resulting in deleterious effects of such a nature
as to endanger human health, harm living
resources and ecosystems, and impair or
interfere with amenities and other legitimate
uses of the environment. Source:
http://en.wikipedia.org/wiki/Pollution

3. TYPES OF POLLUTION :
AIR
WATER
PLASTIC
THERMAL
LAND/ SOIL
NOISE
NUCLEAR
VISUAL
LIGHT

4. AIR POLLUTION:
It is defined as one
or more
contaminants or
combinations in
such quantities and
of such durations
as may be or tend
to be injurious to
biotic factors

6. Sources of pollution:
Natural – pollen grains, volcanic eruptions, forest
fires, dust storms, spores, bacteria and other
microbes.
Man- made / Anthropogenic – Industrial units,
thermal power plants, automobiles, fossil fuel,
mining, nuclear explosions.

7. AIR POLLUTANTS
 Substance dwelling temporarily or permanently
in the air
 A pollutant can be solid (large or sub-
molecular), liquid or gas.
 It may originate from natural or anthropogenic
source (or both)

8. CLASSIFICATION OF POLLUTANTS
Primary pollutants: are emitted directly
from identifiable sources.
Secondary pollutants: are produced in the
atmosphere when certain chemical reaction
takes place among primary pollutants.

9. Pollutants
PM
Sulphur dioxide
Nitrogen oxides
Smog
Volatile organic compounds (VOC’s)
Carbon monoxide

15. EFFECTS OF AIR POLLUTION
Acidification
Eutrophication
Effects on wild life
Ozone layer depletion
Green house effect

16. WATER POLLUTION

67. NUCLEAR POLLUTION

78. PRESENTATION TOPICS
Unit-8
1. Chernobyl disaster.
2. Powai lake conservation.
3. Fukushiama daiichi disaster.
4. Tsunami at Andamans.
5. Itai Itai cadmium poisoning.
6. Shirpur water conservation.
7. Case study on Green building – Ecotel
orchid.
8. Govardhan eco village.