Air Pollution 空气污染 - 英语演讲 - win8风PPT

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Air Pollution

By WTIFS

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OutlineI. IntroductionA. Importance B. Types

III. Indoor air pollutionA. Harm B. Source C. Solution

II. Outdoor air pollutionA. Source B. Harm C. Solution

IV. Sealed-space air pollutionA. Source B. Harm C. Solution

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IntroHarm ≥15 cubic meters of air per day ≥2,000,000 people died per year

Importance

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IntroHarm Type

Indoor air pollution

Outdoor air pollution

Sealed-space air pollution

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Outdoor air pollutionHarmBurning of fuelTraffic transportation Factories Power plants Residential coal burning

Source

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Outdoor air pollutionHarmDustConstruction sites Mines Deserts

Source

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Outdoor air pollutionHarm Type1

Fog (tiny water drops)

+

Airborne particulars

Haze

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Outdoor air pollutionHarm Type2

SO2Sulfur dioxide

+

*SO42SO2 compounds

SO2 Smog Sulfur dioxide smog

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Outdoor air pollutionHarm NOxNitrogen oxidesSun light

Type3

+

Hydrocarbon, etc

Photochemical smog

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Outdoor air pollutionHarm Harm

Eyes

Nose

Lungs

Headache

Cough

Potential disease

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Outdoor air pollutionHarm Solution

Pay attention to the air quality

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Outdoor air pollutionHarmWear a mask while going out

SolutionDrink more water & eat health food

Wash face & hands when you return

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Indoor air pollutionHarm 70% timestaying indoors A greater effect on us Cause lifelong disease

Harm

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Indoor air pollutionHarm Harmful materialsIndoor-decoration Paint

Source

HOCO COFurniture Cooking Stove

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Indoor air pollutionHarm Radiation & Electromagnetic Radiation

Source

Concrete

Computer

Cell Phone

Microwave

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Indoor air pollutionHarm Home of germsCarpet Wallpaper

Source

Bed

Sofa