pollution

POLLUTION

NISA ASIF. NOMAN FAROOQ.

TAHA KHALID.CLASS:5

WHAT IS POLLUTION Nowadays human lives facing lots of

problems in their life. One of the major problem is pollution. Pollution is nothing but the contamination of our air by harmful substances and wastages or the unwanted things which is added to the natural contents like air, water.

TYPES OF POLLUTION Air pollution.

Noise pollution.

Water pollution.

Land pollution.

AIR POLLUTIONSources of Outside Pollution

• Combustion of gasoline and other hydrocarbon

fuels in cars, trucks and airplane.

• Burning of fossils fuels.

• Insecticides.

• Herbicides.

• Mining Operation.

AIR POLLUTIONSources of Indoor Pollution.

AIR POLLUTIONEffects on the environment.

• Acid Rain.

• Ozone depletion

• Global warming.

• In humans: respiratory problems, allergies and a risk for cancer.

EFFECTS ON HUMAN HEALTH Around 30-40% of cases of asthma and

20-30% of all respiratory diseases may be linked to air pollution.

AIR POLLUTIONHow can we prevent Air Pollution?

• Do carpool.

• Walk or ride a bicycle.

• Save energy.

• Choose recycled products.

• Do not smoke.

DO YOU KNOW On 24 march 1989, about 30 million

gallons of crude oil was spilled into the sea near Alaska. It is known as the Exxon Valdez oil spill.

It was one of the world’s worst environmental disaster.

Thousands of sea creatures were killed.

The oil spread over hundreds of kilometers.

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THANKYOU I would like to thank my ma'am who has helped us a lot Thankyou ma'am

Thankyou