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NVIRONMENTAL POLLUTION
Содержание
- 1. NVIRONMENTAL POLLUTION
- 2. Types of pollutionAir PollutionWater PollutionThermal PollutionSoil PollutionRadioactive Pollution
- 3. Air pollutionImbalance in the quality of air
- 4. Causes of air pollution1.Natural sourcesVolcanic eruptionsForest firesPollen grains of flowers2.Man-made sourcesDeforestationEmission from vehiclesRapid industrializationWars
- 5. Water Pollution Contamination of water by addition
- 6. Sources of water pollutionCommunity waste watersIndustrial wastesAgricultural sourcesUnder ground water pollutionMarine pollutionThermal pollution
- 7. Soil pollutionUndesirable change in the physical, chemical
- 8. Sources of Soil PollutionDomestic wastesAgricultural wastesIndustrial wastesExcretory productsSalination
- 9. Radioactive pollutionPhysical pollution that affects air, water
- 10. Man made sourcesNuclear weaponsReactors and Nuclear fuelWaste
- 11. EffectsMutationCancerRadioactive substances in food chain cause retarded growth and bone cancer.Increases infant mortality rate
- 12. Noise pollutionUnwanted high pitch sound that pollutes
- 13. Effects of noise pollutionDamage to ear drum
- 14. Thermal PollutionThe term thermal pollution has been
- 15. Causes of thermal pollutionNuclear power plantsCoal fired power plantsIndustrial effluents
- 16. The End
- 17. Скачать презентанцию
Types of pollutionAir PollutionWater PollutionThermal PollutionSoil PollutionRadioactive Pollution
Слайды и текст этой презентации
Слайд 2Types of pollution
Air Pollution
Water Pollution
Thermal Pollution
Soil Pollution
Radioactive Pollution
Слайд 3Air pollution
Imbalance in the quality of air so as to
cause adverse affects on the living organisms existing on earth.
Слайд 4Causes of air pollution
1.Natural sources
Volcanic eruptions
Forest fires
Pollen grains of flowers
2.Man-made
sources
Deforestation
Emission from vehicles
Rapid industrialization
Wars
Слайд 5Water Pollution
Contamination of water by addition of undesirable organic,
inorganic or biological substances to water sources
Natural sources: soil erosion,
leaching of minerals from of rocks and decay matter.Industrial effluents
Destroys ecosystem and effects human health
Слайд 6Sources of water pollution
Community waste waters
Industrial wastes
Agricultural sources
Under ground water
pollution
Marine pollution
Thermal pollution
Слайд 7Soil pollution
Undesirable change in the physical, chemical or biological property
which adversely affects its productivity
Caused by dumping of wastes, agrochemicals
and as indirect result of air pollution
Слайд 8Sources of Soil Pollution
Domestic wastes
Agricultural wastes
Industrial wastes
Excretory products
Salination
Слайд 9Radioactive pollution
Physical pollution that affects air, water and soil. Caused
by ionizing radiations of harmful nature emitted from disintegrating atomic
nuclei.The natural sources include cosmic rays that reaches the earth surface and radiations from radium 224, uranium 235 thorium 232 etc
Слайд 10Man made sources
Nuclear weapons
Reactors and Nuclear fuel
Waste waters containing these
wastes
X-rays used in medical practices
Ultra violet rays present in solar
radiations 
Слайд 11Effects
Mutation
Cancer
Radioactive substances in food chain cause retarded growth and bone
cancer.
Increases infant mortality rate
Слайд 12Noise pollution
Unwanted high pitch sound that pollutes the environment.
Maximum tolerable
intensity of sound is 85 decibels
The main sources are automobiles,
aero planes, loudspeakers, industries and other electro-mechanical devices.
Слайд 13Effects of noise pollution
Damage to ear drum and impairment to
hearing.
Damages heart, liver and brain
Emotional disturbances and behavioral changes
Leads to
anxiety and stress 
Слайд 14Thermal Pollution
The term thermal pollution has been used to indicate
the detrimental effects of heated effluents discharged by various power
plants.
