Enviornmental Pollution -Classification Of Pollution Natural Pollution,Artificial Pollution

1. ENVIORNMENTAL POLLUTION
Athira Bhaskar
Assistant Professor
Department of Economics
St. Mary’s College Thrissur

2. Environmental pollution, Athira Bhaskar,St.Mary’s College
Environmental Pollution
“Environmental pollution is defined as the unfavorable
alteration of our surroundings wholly as a by-product of man’s
activities, through direct or indirect effects of changes in the
physical,chemical,and biological characteristics of the land, air
or water that harmfully affect human life or any desirable living
thing.”

3. Environmental pollution, Athira Bhaskar,St.Mary’s College
CLASSIFICATION OF POLLUTION
NATURAL POLLUTION
ARTIFICIAL/MAN-MADE
POLLUTION
ENVIRONMENTAL
POLLUTION

4. Environmental pollution, Athira Bhaskar,St.Mary’s College
NATURAL POLLUTION
• It originate from natural processes or sources such as
hydrocarbons or sources such as hydrocarbons in
atmosphere, radiation pollution coming from the sun or
radio active materials found in nature, oxides of
carbons,sulphur etc..coming out from volcanic activity.
ARTIFICIAL POLLUTION
• It originates due to the activities of man such as lead
aerosols in atmosphere coming from automobile
exhaust, chlorinated hydrocarbons from excessive use of
pesticides etc.

5. Environmental pollution, Athira Bhaskar,St.Mary’s College
Type of
pollution
Water
pollution
Soil
pollution
Noise
pollution
Air
pollution

6. Environmental pollution, Athira Bhaskar,St.Mary’s College
Air pollution
Gaseous pollutants
Particulate pollutants
Two main factors responsible for air pollution are
population increase and productivity increase.

7. Water pollution
Minerals and organic wastes are carried to
the rivers,streams,lakes and the seas from
agricultural fields where fertilisers,pesticides and
herbicides are given throughout the year. Drinking
of such water by cattle and human beings causes
serious diseases.
Environmental pollution, Athira Bhaskar,St.Mary’s College

8. Environmental pollution, Athira Bhaskar,St.Mary’s College
Soil pollution
• Increased agricultural activity has created an imbalance in
nature.
• Soil erosion, unplanned irrigation,overgrazing,deforestation and
other defective agricultural practices lead to formation of
deserts.

9. Noise pollution
• Various kinds of undesirable loud sounds, which disturb
the environment are called noise pollutants.
Environmental pollution, Athira Bhaskar,St.Mary’s College

10. Environmental pollution and problems
Human
health
Fresh water
decline
Change in
the climate
Stratospheric
ozone depletion
Biodiversity
loss and
ecosystem
function
Environmental pollution, Athira Bhaskar,St.Mary’s College

11. Green solutions
• Protect natural areas
• Reduce amount of garbage
• Avoid cutting down trees.
• Reuse, recycle and reduce.
• Managing fuel type
• Adopting measures to manage the use of motor vehicles.
• recycling of water must be encouraged.
• Industrial wastes must be treated before discharge.
Environmental pollution, Athira Bhaskar,St.Mary’s College

12. THANK YOU
Environmental pollution, Athira Bhaskar,St.Mary’s College