Download - Airpollutionfinal ppt-121005235442-phpapp01
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AIR POLLUTION
Jelly C. DaroyBea May P. Durante
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DEFINITION occurs when the air contains gases,
dust, fumes or odor in harmful amounts.
it is when concentrated gases exceed safe limits.
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TYPES OF AIR POLLUTION
• Outdoor Air Pollutiono SmogoParticulatesoAcid RainoGreenhouse Gases
• Indoor Air Pollution
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CAUSES
• Natural Sources
e.g. smoke that comes from wildfires, volcanoes, methane, dust
• Human Sources
e.g. power plants and automobiles, fumes, burning wood stoves, fireplaces, and furnaces
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Pollutants
• Carbon Dioxide• Carbon Monoxide• Sulfur Dioxide• Nitrogen Dioxide
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MECHANISM
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Primary Mechanism
• Formation of VOC• Biological generation of VOC• Formation of liquid aerosol droplets• Anthropomorphic generation of particulate
aerosol• Biological formation of particulate aerosols• Particulate aerosol formation
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Secondary Mechanism
• Condensation
• Adsorption
• Nucleation
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EFFECTS• Human Effects
e.g. diseases• Environmental Effects
Acid rain Eutrophication Haze Wildlife Ozone Depletion Crop and forest damage Global Climate Change
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IMPACTS
• Climate System• Health• Economy• Environment• Ecosystem• Forestry• Agriculture
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MITIGATIONS
Mitigation of Air
Pollution
Sustainable Development
International Conventions and Treaties
National and International funds, Eco-Conversion
New Technologies,
Recycling
Lower Combustion
Lower Transboundary
Emissions
Lower Emissions
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CONCLUSION AND RECOMMENDATIONS
• Air pollution has long been a serious problem in the world.
• Without air, Earth would be unable to sustain life.
• Spread the Word.