LECTURE 4 & 5

OVERVIEW

Definition of PollutionTypes of PollutionAir Pollution:

a. Introduction c. Effectsb. Causes d. Prevention

Water Pollutiona. Introduction c. Effectsb. Causes d. Prevention

Noise Pollutiona. Introduction c. Effectsb. Causes d. Prevention

OVER VIEW

To be continue 2nd Slide• Land Pollution Introduction Causes Effects Prevention• Radio Active Pollution Introduction Causes Effects Prevention

DEFINITION OF POLLUTION

• When Harmful Substances Contaminate the Environment it is Called Pollution.

• Pollution refers to the very bad condition of environment in terms of quantity and quality .

Types of PollutionTypes of Pollution

There are Five types of PollutionThere are Five types of Pollution Air PollutionAir Pollution Water PollutionWater Pollution Noise PollutionNoise Pollution Land PollutionLand Pollution Radio Active PollutionRadio Active Pollution

What is Atmosphere

• Atmosphere is the life blanket of Earth.

• It is therefore essential that we know more about the atmosphere and the ways in which it is Polluted.

Causes of Air Pollution

Major sources of Air Pollution

- Industries

-Automobiles and Domestic fuels

-High Proportion of undesirable

gases, such as sulphur dioxide and carbon monoxide

Effects of Air Pollution

Air Pollution affects???

• Human health

• Animals

• Plants

• The atmosphere as a whole

How to Avoid Air Pollution

Yes, we can avoid pollution As Follows

Use natural Gases, like lpg autosDo not Burst CrackersUse less Amount of Fuel for VehiclesAvoid using and use electric stoves(bio gas)

Water God’s Valuable Gift

Definition of Water PollutionDefinition of Water Pollution

The Contamination of water with The Contamination of water with

undesirable substances which undesirable substances which make it unfit for make it unfit for usage is termed water Pollution.usage is termed water Pollution.

Causes of Water Pollution

• About 40% of Deaths worldwide are caused by Water Pollution.

• Water Pollution is Caused by organic and inorganic industrial wastes and effluents discharged into rivers.

• Noise also causes anxiety stress reaction and fright.

Water Pollution Pictures

Effects of Water Pollution

• The effects of water pollution are seen in Thermal, Heavy Metal, Agricultural regions and due to fertilizers, chemicals, oil and contaminated ground waterRead more at Buzzle: http://www.buxzzle.com/articles/effects-of-water-pollution.

Effects of Water Pollution

• Diseases like Cholera

• Malaria

• Typhoid (spread during the rainy season )

• Aquatic life gets destroyed

• People may become very sick and there is a probability of developing liver or kidney problems and cancer or other illnesses.

How to Avoid Water Pollution

• Rivers should not be used for washing clothes or bathing animals in.

• Harvesting of Rainwater to meet water requirements.

• Dams & embankments must be created.

• The rivers must not be contaminated.

• In sacred river like Ganga the dead bodies shouldn’t thrown.

NOISELESS ATMOSPHERENOISELESS ATMOSPHERE

Noise can be simply defined as Noise can be simply defined as unwanted sound.unwanted sound.

The sound is pleasant or not depends The sound is pleasant or not depends upon its loudness,duration,rhythm upon its loudness,duration,rhythm and the mood of the person.and the mood of the person.

Noise pollution not only results in Noise pollution not only results in irritation and anger.irritation and anger.

Causes of Noise Pollution

• Traffic Noise

• Air craft Noise

• Noise from construction and civil engineering works.

• Noise from the Industries.

• Noise in playgrounds and parks

• Noise in the shopping malls

• Noise in workplaces and etc.

See what is this?

• Picture shows : Noise Pollution

Effects of Noise Pollution• Hearing Loss

• High Blood Pressure - Cardiovascular

• Stress - Mental Health Problem

• Sleep Disturbance

• Color Blindness

• Trouble communicating - A noisy environment that produces more than 50-60 decibels simply does not allow 2 people to communicate properly. Interpreting the speech of a second person becomes quite difficult and may lead to misunderstandingshttp://

How to Avoid Noise Pollution

• The Government should ensure the new machines that Should be noise proof.

• Air ports must be away from residential area.

• The Sound horn symbol is to be in School Roads.

How to Avoid Noise Pollution• Do not use car horns unnecessarily. Areas like hospitals and campuses are

silence zones and honking is prohibited there.

• Avoid loud music, which hurts your ears and others' ears.

• Firecrackers are extremely loud, so don't try and burn them unnecessarily.

• Motors, machines and vehicles also produce loud noises when not maintained properly. Proper maintenance should be carried out for better performance.

• If you are working in an area where there are loud noises, you must wear earplugs to prevent loss of hearing.

• When going to theme parks and such, avoid riding on the rides which produce a lot of noise. One example is the ATV, which is like a huge motorbike.

• Turn off the engine of your car or motorbike when you are not using it. It stops the annoying hum, and reduces air pollution!

• Better off, walk or cycle to school! It does wonders to the environment, reduces the amount of air pollution and noise, and makes you fit!

Prevention of Noise Pollution

• Pleasant Home

• Bhagavan Baba says “Silent is God”.

• We need to talk sweetly to others.

• Talk Less Work More.

• Sound affects our ears so loud noise should be avoided.

Definition of Land Pollution

• One fourth of area is covered by land is Called Land.

• Land is a earth which is occupied by people for shelter,occuption etc..,

Causes of Land PollutionCauses of Land Pollution

We can classify major sources that lead to land We can classify major sources that lead to land following Categoriesfollowing Categories

Mining and quarryingMining and quarrying Sewage wasteSewage waste Household GarbageHousehold Garbage Industrial WasteIndustrial Waste

Causes of Land PollutionCauses of Land Pollution

Land pollution picturesLand pollution pictures

Land pollution picturesLand pollution pictures

Effects of Land PollutionEffects of Land Pollution

The Land Cannot be construct houseThe Land Cannot be construct house Man cannot be farmingMan cannot be farming Ground water will gets AffectedGround water will gets Affected House hold Garbage like putting Plastics House hold Garbage like putting Plastics

Prevention of Land Pollution

• More and more land should be brought under farming

• Trees should be planted everywhere.• Waste matter should be disposed

immediately• Avoid drilling the Land for more

underground water.• Avoid using more fertilizers and

Pesticides.

Definition of Radio Active Pollution

Despite the Advantage of nuclear as a clean energy, the big concern is the resulted from nuclear reaction, which is a form of pollution called Radio activity.

Radiation (Laser-Rays) will from Radio Active Pollution.

Radio Active Pollution

Radio Active Pollution

Causes of Radio Active Pollution

• Nuclear power plants(Ex:Neyveli,Kalpakkam)

• Nuclear Weapon(Ex:Missiles)

• Disposal of Nuclear Waste

• Uranium Mining

Effects of Radio Active Effects of Radio Active PollutionPollution

The Diseases include blood in coughThe Diseases include blood in cough UlcerUlcer Swelling of bone jointsSwelling of bone joints CancerCancer Lung CancerLung Cancer Skin CancerSkin Cancer Bone CancerBone Cancer Eye ProblemsEye Problems

What do you think?What do you think?

Effects of Radio Active Effects of Radio Active PollutionPollution

Chernobyl nuclear disaster

How to Prevent of Radio Active How to Prevent of Radio Active PollutionPollution

Avoid Constructing Nuclear Power PlantsAvoid Constructing Nuclear Power Plants

Avoid Using Nuclear WeaponAvoid Using Nuclear Weapon

Have Proper Treatment for Nuclear WasteHave Proper Treatment for Nuclear Waste

Avoid mining for Uranium to a minimalAvoid mining for Uranium to a minimal

TEPCO testing new ways to stop TEPCO testing new ways to stop radioactive pollutionradioactive pollution

References

• Science books• www.google.com• http://en.wikepedia.org/wiki/AirPollution• Free foto.com