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ENVIRONMENTAL ENVIRONMENTAL POLLUTIONPOLLUTION

Man by his direct or indirect activities Man by his direct or indirect activities destroys the environment. This is called destroys the environment. This is called “ENVIRONMENTAL POLLUTION.”“ENVIRONMENTAL POLLUTION.”

Types of pollutionTypes of pollution AIR POLLUTIONAIR POLLUTION WATER POLLUTIONWATER POLLUTION SOIL POLLUTIONSOIL POLLUTION SOUND POLLUTIONSOUND POLLUTION RADIO ACTIVE POLLUTIONRADIO ACTIVE POLLUTION

liquid ,or solid wastes or by products that liquid ,or solid wastes or by products that can endanger human health and the health can endanger human health and the health and welfare of plants and animals , or can and welfare of plants and animals , or can attack materials , reduce visibility ,or attack materials , reduce visibility ,or produce undesirable ordurs is called air produce undesirable ordurs is called air pollution. pollution. Contamination of atmosphere by gaseous Contamination of atmosphere by gaseous

AIR POLLUTIONAIR POLLUTION The gases required by man The gases required by man

for breathing are being for breathing are being polluted. It makes man a polluted. It makes man a victim of many diseases. victim of many diseases. Usually volcanic eruptions, Usually volcanic eruptions, industries, vehicles, etc are industries, vehicles, etc are the causes for air pollution.the causes for air pollution.

WATER POLLUTIONWATER POLLUTION Contamination of water by Contamination of water by

foreign matters such as foreign matters such as micro micro organisms ,chemicals organisms ,chemicals industrial wastes etc.,. such industrial wastes etc.,. such matters deteriorates the matters deteriorates the quality of the water is quality of the water is called WATER called WATER POLLUTION. POLLUTION.

WATER POLLUTIONWATER POLLUTION

Water is also being Water is also being polluted due to many polluted due to many human activities. human activities. Decomposition of Decomposition of wastes that are let out wastes that are let out from industries , from industries , unscientific agricultural unscientific agricultural methods etc. methods etc.

SOIL POLLUTIONSOIL POLLUTION

Soil pollution is defined as the build up in soil of persistent toxic compounds, chemicals, salts, radio active substances .

SOIL POLLUTIONSOIL POLLUTION In this figure we can see In this figure we can see

soil polluted. Due to this soil polluted. Due to this no crop can be grown. no crop can be grown. floods, earth quakes, floods, earth quakes, etc are the some of the etc are the some of the causes of soil pollutioncauses of soil pollution

SOUND POLLUTIONSOUND POLLUTION

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threshold

Whispering

wind in leaves

waves on seashoreshoutedconversationvaccum cleaner

rock music

jet engine

Main causes of sound pollution is the Main causes of sound pollution is the community all transport sources such as community all transport sources such as air craft taking off and landing, road air craft taking off and landing, road traffic, railways, paper factory , traffic, railways, paper factory , commercial installation, construction commercial installation, construction activities and lei usher activitiesactivities and lei usher activities. .

CAUSES OF POLLUTIONCAUSES OF POLLUTION Atmospheric temperature is increasing due to adding of more Atmospheric temperature is increasing due to adding of more

carbon dioxide in air.carbon dioxide in air. Air pollution makes man a victim of many diseases like cancer, Air pollution makes man a victim of many diseases like cancer,

high blood ,asthma, irritation of eyes etc.high blood ,asthma, irritation of eyes etc. Climatic conditions change rapidly due to air pollution.Climatic conditions change rapidly due to air pollution. The ozone layer that surrounds our globe is being damaged and The ozone layer that surrounds our globe is being damaged and

ultra violet rays are entering into the atmosphere.ultra violet rays are entering into the atmosphere. Acid rain occurs and damages vegetation.Acid rain occurs and damages vegetation. Rivers water is being polluted and affects organisms.Rivers water is being polluted and affects organisms. Soil erosion , surplus , use of water pesticides degrade and pollutes Soil erosion , surplus , use of water pesticides degrade and pollutes

the soils .the soils .

PREVENTION OF PREVENTION OF POLLUTIONPOLLUTION

Industries causing environmental pollution must be checked and Industries causing environmental pollution must be checked and ordered to be equipped with exhaust pipes.ordered to be equipped with exhaust pipes.

Vehicles that do not emit smoke must be encouraged .Vehicles that do not emit smoke must be encouraged . Proper action must be taken to prevent industrial wastages from Proper action must be taken to prevent industrial wastages from

flowing into rivers .flowing into rivers . Treatment plants must be set up to treat drain water .Treatment plants must be set up to treat drain water . Deforestation must be controlled .Deforestation must be controlled . Soil erosion must be checked Soil erosion must be checked Use of pesticides which decrease the fertility of soil or cause Use of pesticides which decrease the fertility of soil or cause

pollution must be regulated.pollution must be regulated.

BIBLIOGRAPHYBIBLIOGRAPHY ENCARTA ENCYCLOPIDIA 2000ENCARTA ENCYCLOPIDIA 2000 GOOGLE GOOGLE

Jaba sheela. JJaba sheela. J Prabhathi .N. Kamath.Prabhathi .N. Kamath. Deepthi. M . KDeepthi. M . K Spoorthy. G. RaoSpoorthy. G. Rao Anuraga lakshmiAnuraga lakshmi Chaitra. GChaitra. G