The social value of pollution prevention
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Transcript of The social value of pollution prevention
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The Social Value of Pollution Prevention
Omoyayi İbrahim O.
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Outline
• Definition of terms• Classification of Pollution• Effects of Pollution• Pollution Prevention• Social values of preventing pollution
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Pollution
• Introduction of contaminants into the natural environment that cause adverse change.
• Pollution can take the form of chemical substances or energy, such as noise, heat or light.
• Pollutants is the components of pollution (i.e the make up)
Merriam-Webster Online Dictionary
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Classification of Pollution
• Sources– Point Source – Non Point
• Forms• Causes• Pollutants• Hazardous effects
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Major types of Pollution
• Air Pollution• Water Pollution• Environmental or Soil Pollution
Other types of Pollution
• Noise Pollution• Radioactive Pollution
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Air Pollution• Machinery emits harmful chemicals as wastes.• Chemicals contains mostly poisonous and toxic gases• E.g of air pollutants includes benzene, methane CO
etc.• The chemical company permits these toxins to be
released without treating them.• The untreated, toxic chemicals are released directly
into the air and causes different types of effect spanning from the environment to the human health.
Spengler et all, 1983
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Air Pollution in different forms
Google images
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Water Pollution
• Presence of solid, liquid, or gaseous contaminats in water.
• Chemicals are released into the stream water without being treated.
• Also cause different types of health effects in both plant and animals
Google images
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Water Pollution in different forms
1 2
3 Fig 1. shows oil spillage form of water pollutionFig 2. the release of untreated water waste Fig 3. Polluting the water while still using the polluted water(wikepedia images)
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Environmental or Soil Pollution
• Polluting the Environment in diffrent forms• A good example is a mechanical motor garage
that work on cars accumutaling waste oil on the soil
• Pollutants are absorbed by plants• Toxic absorbed chemicals enters the nutrient
cycle, food web, or food chain.
The Encyclopaedia Britannica
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Effects of Pollution
1. Environmental Degradation 2. Health Effects3. Effects on Global Warming4. Ozone Layer Depletion
Google images
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Environmental Degradation
– Increase in CO, CO2 causes smog– Smog reduces the sunligh that reaches plants– Plants cannot process photosynthesis with
reduced Sunlight– Smog reduces transperancy in water– Oxides of Sulfur causes Acid rain
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– Increase in CO, CO2reduces O2 availability
Human Effects of Pollution
Health effects of PollutionSource: Google Images
– Respiratory diseases – Skin Irritations
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Global Warming Effect of Pollution
• Increase of Earth's average surface temperature.
• Increases in gaseous pollutants especially CH4, Oxides of Nitrogen, CO and CO2 Increases global warming
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Effect of Global Warming
• These images show the five-year average variation of global surface temperatures in 1884, 1927, 1969 and 2012. Dark blue indicates areas cooler than average. Dark red indicates areas warmer than average. Source: NASA/Goddard Scientific Visualization Studio
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Ozone Layer Depletion Effect
• Ozone Layer is the thin shield high up in the sky that stops ultra violet rays from reaching the earth.
• Pollutants such as CFCs, CH4, CO CO2 were released in to the atmosphere which contributed to the depletion of ozone layer.
Source google images
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Pollution Prevention and Its Social Values
• It means the control of emissions and effluents into air, water or soil.
• Without pollution control, the waste products will degrade the enviroment for the public use.
• Pollution prevention are more desirable than pollution control in the society
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Socials Values in Preventing Pollution
• Social Value: is created when resources, inputs, processes or policies are combined to generate improvements in the lives of individuals or society as a whole.
• The following slides will showcase examples of social values in Preventing pollution
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The Enivronmental Protection Agency (EPA) provides the complaints rate of diffrent pollution in the society. Source: The Enivronmental Protection Agency (EPA)
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A Trap that catches floating waste in Australia
Source: http://en.wikipedia.org/wiki/Pollution#/media/File
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A Dust Collector in Pistina, Kosovo
Source: http://en.wikipedia.org/wiki/Pollution#/media/File
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Global Pollution Circuts
Source: Clear The Air
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Our Recommendations
• Educational programes and awereness advert on T.V, bilborad etc should increase.
• More researches equating the amout of waste to substacial values or materials so the lay man can understand the great demage he his causing by polluting the environment
• Usage of biodegradable products• Laws and legistalations against pollution
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References
• "Pollution - Definition from the Merriam-Webster Online Dictionary". Merriam-webster.com. 2010-08-13. Retrieved2010-08-26.
• Spengler, John D.; Sexton, K. A. (1983). "Indoor Air Pollution: A Public Health Perspective". Science 221 (4605): 9–17 [p. 9]. doi:10.1126/science.6857273.
• Hong, Sungmin et al. (1996). "History of Ancient Copper Smelting Pollution During Roman and Medieval Times Recorded in Greenland Ice". Science 272 (5259): 246–249 [p. 248]. doi:10.1126/science.272.5259.246.
• David Urbinato (Summer 1994). "London's Historic "Pea-Soupers"". United States Environmental Protection Agency. Retrieved 2006-08-02.
• Deadly Smog". PBS. 2003-01-17. Retrieved 2006-08-02.• Patrick Allitt, A Climate of Crisis: America in the Age of Environmentalism (2014) p 206• Jeffry M. Diefendorf; Kurkpatrick Dorsey (2009). City, Country, Empire: Landscapes in
Environmental History. University of Pittsburgh Press. pp. 44–49.• James R. Fleming; Bethany R. Knorr of Colby College."History of the Clean Air Act". American
Meteorological Society. Retrieved 2006-02-14.• Cited in David Clay Large, Berlin (2000) pp 17-18• Patrick Allitt, A Climate of Crisis: America in the Age of Environmentalism (2014) pp 15-21• http://en.wikipedia.org/wiki/Pollution#/media/File