L7_ECE4001_Fall_2008

L7_ECE4001_Fall_2008 - ECE 4001 Fall 2008 Lecture #7...

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ECE 4001 Fall 2008 Lecture #7 Sustainability and Environmental Issues September 9, 2008
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J. Stevenson Kenney © 2008 2 Sustainability What is it? Why do we care? What should we do about it?
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J. Stevenson Kenney © 2008 3 What is Sustainability? At Georgia Tech: Sustainable engineering minimizes detrimental effects on the environment and does not hinder economic growth Engineers Without Borders “…promote sustainable development in such areas as water supply and sanitation, food production and processing, housing and construction, energy, transportation and communication, income generation and employment creation.” ( http://www.ewb-usa.org )
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J. Stevenson Kenney © 2008 4 EWB Example Clean Water in Rural Guatemala Fronterizo, Guatemala Project Cost: $12,000 Michigan Tech. U. partner Current status: – 10 shallow hand dug wells – Low precipitation years many of these sources dry up – Water treated by boiling over fire – Increased deforestation – Higher levels of indoor air pollution – Respiratory infections
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J. Stevenson Kenney © 2008 5 Sustainability and Clean Water Project • Objective: – Increase supply and quality of drinking water • Motivation: – Reduce illnesses associated with water quality – Reduce impact on environment (deforestation) Issues: – Logistics – getting materials/labor in place – Training – Low skill level of available labor • Sustainability: – Must be maintained with available resources (labor, materials, capital) Best solution may not use state-of-the-art technology
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J. Stevenson Kenney © 2008 6 IEEE/UN Foundation Example: Reliable Communications for First Responders in Developing Countries • Large multi-national, multi-organizational effort • Project management is key to success of the project
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J. Stevenson Kenney © 2008 7 Emergency Response in Developing Countries • Little infrastructure available – Roads, power, communications • Unstable governments, lawlessness • Mobile platforms a necessity • Primary communications is via cell phones (few mobile radios available) • Need to extend range of mobiles to reach existing infrastructure
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J. Stevenson Kenney © 2008 8
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L7_ECE4001_Fall_2008 - ECE 4001 Fall 2008 Lecture #7...

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