Hzgd16 22 oct 2012 - steven zhang - quantifying environmental impacts - product life cycle
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Good intentions, bad results
The importance of quantifying environmental impact
Steven ZhangHangzhou Green Drinks
October 22, 2012
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About me
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The Problem
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Product life cycle
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Raw material extraction
Manufacture
Use
Disposal
Product life cycle
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Life cycle inventory
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Raw material extraction
Manufacture
Use
Disposal
Product life cycleInputs Outputs
Atmospheric emissions
Waterborne waste
Solid waste
Other releases
Energy
Raw materials
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Life cycle impact assessment
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Raw material
extraction
Manufacture
Use
Disposal
Product life cycle
Inputs Outputs
Atmospheric emissions
Waterborne waste
Solid waste
Other releases
Energy
Raw materials
Global Warming
Ozone depletion
Eutrophication
Carcinogenics
… … … …
Acidification
Impact categories
Life Cycle Inventory Life Cycle Impact Assessment
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Life cycle analysis: the whole process
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Raw material
extraction
Manufacture
Use
Disposal
Product life cycle
Inputs Outputs
Atmospheric emissions
Waterborne waste
Solid waste
Other releases
Energy
Raw materials
Global Warming
Ozone depletion
Human toxicity
Carcinogenics
… … … …
Acidification
Impact categories
Life Cycle Impact AssessmentLife Cycle Inventory
Acidification
Ozone depletion
Human toxicity
Global Warming
Carcinogens
1.1pts
1.0pts
3.2pts
3.0pts
0.7pts
Total: 9.0ptsNormalized
impact scores
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More on product life cycle
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System boundaries
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UseManufacture and
Materials
Transport Disposal
Kindle 3
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System boundaries
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UseManufacture and
MaterialsTransport Disposal
10% recycled
90% landfillChargingChina to Boston
Product
Packaging
Charger
Wi-Fi/3G network
Amazon.com serversTransportation for
recycling
Inside system
boundary
Outside system
boundary
Kindle 3
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Kindle 3 impact
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Battery .05
Materials/Manufactur
e: 3.95 ReciPepoins
Use
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LCA as part of the redesign process
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1. Understand users and needs
3. Ideate with sustainability in mind
4. Quantify impact of new design
2. Quantify environmental impact of current product
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China
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Circular economy 循环经济
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How to contact me
linkedin.com/in/stevenqzhang
QQ: 2380733807
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