Environmental pollution

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2. OVERVIEW
Definition of Pollution.
Types of Pollution.
Air Pollution.
Water Pollution.
Noise Pollution.
Land Pollution.
Radio Active Pollution.

3. DEFINITION OF POLLUTION
When HarmfulSubstancesContaminatethe
Environment,itisCalledPollution.
Pollutionreferstotheverybadconditionof
environmentintermsofquantityandquality.

4. TYPES OF POLLUTION
ThereareFivetypesofPollution:
AirPollution
WaterPollution
NoisePollution
LandPollution
RadioActivePollution

5. AIR POLLUTION
What is Atmosphere
AtmosphereisthelifeblanketofEarth.
Itisthereforeessentialthatweknowmoreaboutthe
atmosphereandthewaysinwhichitisPolluted.
Airisconsideredsafewhenitcontainsnoharmfuldust
andgases.

6. Causes of Air Pollution
MajorsourcesofAirPollution:
Industries.
AutomobilesandDomesticfuels.
HighProportionofundesirablegases,suchas
sulphurdioxideandcarbonmonoxide.
Dust(e.g.cementdust,foundrydustand
windblownsoliddust)
Mist.
Smoke.
Carbonblack.
Aerosols.

7. Effects of Air Pollution
AirPollutionaffects???
Humanhealth.
Animals.
Plants.
Theatmosphereasawhole.
Globalwarming.
Ozonedepletion(Ozonehole).
AcidRain.
Variousrespiratoryillnesses.

8. How to Avoid Air Pollution
Yes,wecanavoidpollutionAsFollows:
UsenaturalGases,likeLPG(LiquefiedPetroleum
Gas)autos.
DonotBurstCrackers.
UselessAmountofFuelforVehicles.
Avoidusinganduseelectricstoves(biogas).

9. WATER POLLUTION
Anyphysical(temperature,oxygen),chemical
(mercury),orbiological(disease,sewage)changeto
waterthatadverselyaffectsitsusebyalivebeings.

10. Causes of Water Pollution
About40%ofDeaths
worldwidearecausedbyWater
Pollution.
WaterPollutionisCausedby
organic and inorganic
industrialwastesandeffluents
dischargedintorivers.
Noisealsocausesanxiety
stressreactionandfright.

11. Water Pollution Pictures

12. Effects of Water
Pollution
DiseaseslikeCholera.
Malaria.
Typhoid(spreadduring
therainyseason).
Aquatic lifegets
destroyed.

13. How to Avoid Water Pollution
Riversshouldnotbeusedforwashingclothesor
bathinganimalsin.
HarvestingofRainwatertomeetwaterrequirements.
Dams&embankmentsmustbecreated.
Theriversmustnotbecontaminated.
Inriversthedeadbodiesshouldn’tthrown.

14. NOISE POLLUTION
Noisecanbesimplydefinedasunwantedsound.
Thesoundispleasantornotdependsuponits
loudness,duration,rhythmandthemoodofthe
person.
Noisepollutionnotonlyresultsinirritationand
anger.
NoiseLevels:Decibels(dB)
•Intensity
•Frequency
•Periodsofexposureand
•Duration

15. Causes of Noise Pollution
TrafficNoise.
AircraftNoise.
Noisefromconstructionandcivilengineeringworks.
NoisefromtheIndustries.
Noisefromothersources.

16. See what is this?
Picture shows: Noise Pollution

17. Effects of Noise Pollution
HearingLoss.
HighBloodPressure.
Stress.
SleepDisturbance.
ColourBlindness.

18. How to Avoid Noise Pollution
TheGovernmentshouldensurethenewmachinesthat
Shouldbenoiseproof.
Airportsmustbeawayfromresidentialarea.
TheSoundhornsymbolistobeinSchoolRoads.
Controlnoiseatsourcebyproperchoiceofequipment,
designmodification,mountingandproperlayout.
Isolationoruseofbaffles.
Useofearprotectiondevices.

19. LAND POLLUTION
•Onefourthofareaiscoveredbyland.
•Landisaearthwhichisoccupiedbypeopleforshelter,
occupation,etc...

20. Causes of Land Pollution
Wecanclassifymajorsourcesinthefollowing
Categories:
•Mining,Erosionandquarrying.
•HouseholdGarbage.
•UrbanizationandConcentrationofPopulation.
•MunicipalSolidWaste.
•IndustrialWasteandHazardousWaste.
•UncontrolledLandTreatment.
•Burningopendumpsandforestfires.
•Deforestation.

22. Effects of Land Pollution
•TheLandCannotusetobuildhouses.
•Mancannotbefarming.
•GroundwaterwillgetsAffected.
•Deathoftheanimalsthatinhabittheland.

23. Prevention of Land Pollution
•Moreandmorelandshouldbebroughtunderfarming.
•Treesshouldbeplantedeverywhere.
•Wastemattershouldbedisposedimmediately.
•AvoiddrillingtheLandformoreundergroundwater.
•AvoidusingmorefertilizersandPesticides.
•IntegratedSolidWasteManagement.
•Goodagriculturalpractices.
•Remediationofpollutedsoils.
•Preventionoferosionandsilting.
•Containmentofhazardouswasteandwastewatertreatmentusingland
treatmenttechniques.
3R Principle:
Reduce
Reuse
Recycle

24. RADIO ACTIVE POLLUTION
DespitetheAdvantageofnuclearasacleanenergy,
thebigconcernistheresultedfromnuclearreaction,
whichisaformofpollutioncalledRadioactivity.
Radiation(Laser-Rays)willfromRadioactive
Pollution.

25. Causes of Radioactive Pollution
Nuclearpowerplants(Ex:Neyveli,Kalpakkam).
NuclearWeapons(Ex:Missiles).
DisposalofNuclearWaste.
UraniumMining.

26. Effects of Radioactive Pollution
TheDiseasesincludebloodincough.
Ulcer.
Swellingofbonejoints.
Cancer.
LungCancer.
SkinCancer.
BoneCancer.
EyeProblems.

27. How to Prevent of Radioactive Pollution
AvoidConstructingNuclearPowerPlants.
AvoidUsingNuclearWeapon.
HaveProperTreatmentforNuclearWaste.
AvoidminingforUraniumtoaminimal.

28. REFERENCES
Sciencebooks.
www.google.com
http://en.wikepedia.org/wiki/AirPollution
www.freefoto.com

29. Adaptation byFelipe Rodríguez Torres
www.felipe-torres.tk