GEO 155 - lecture 2 - Discussion4 Pages7278(table3.4...

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Discussion 4 17:01 Anthropogenic Air Pollution Pages 72-78 (table 3.4) Learn a few anthropogenic sources of air pollution Urban Heat Island Effect 101-103 (4.1) understand the factors that rend to raise temperature in urban areas Video In cities transportation accounts for almost all of air pollution Particulates Fine solids that hang in the air for days Carry toxins found in gas and other sources So small we can easily breathe them in PM 10 and PM 2.5 PowerPoint Anthropogenic Gases and Materials in the Lower Atmosphere Carbon Monoxide CO Incomplete combustion of fuels Volatile Organic Compounds VOC’s Incomplete combustion, paint solvents Particulate Matter PM 10s PM 2.5s Dust, dirt, soot, salt, metals, organics, agricultural, construction, roads Smaller they are the more harmful They will run train on your lungs PM 2.5  Asbestos, particles out of smoke stack
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Unformatted text preview: Carbon Dioxide CO2 Complete combustion, mainly from fossil-fuel consumption Indirect impacts to human life Contributes to more longwave radiation being contained and increasing the temperature of the globe, storms, sea level increase, etc. 3 approaches of dealing with environmental issues technological lifestyle regulatory Urban Heat Island Effect Little vegetation or evaporation causes cities to remain warmer than the surrounding countryside The forest sweats to move energy away Transpiration Plants breathe at night time, and water comes out of them resulting in evaporative cooling Solutions Painting roofs to a high albedo color, white, to reflect that energy and not let it turn into longwave radiation More parks Roof gardens Green roofs Shading parking lots 17:01 17:01...
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