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Good intentions, bad results   The importance of quantifying environmental impact                      Steven Zhang       ...
About me           2
The Problem              3
Product life cycle                     Raw material                      extraction                     Manufacture       ...
Life cycle inventory                       Raw material     Atmospheric                        extraction       emissions ...
Life cycle impact assessment                                                  Global                                      ...
Life cycle analysis: the whole process                                                  Global                            ...
More on product life cycle                      8
System boundaries Kindle 3            Manufacture and   Transport   Use   Disposal              Materials                 ...
System boundaries                                Outside system                                  boundary           Manufa...
Kindle 3 impact                   Battery .05             UseMaterials/Manufactur e: 3.95 ReciPe  poins                   ...
12
LCA as part of the redesign process1. Understand users           2. Quantifyand needs                     environmenta    ...
China        14
Circular economy 循环经济                                              15                        Image source:chinacir.com.cn
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How to contact melinkedin.com/in/stevenqzhangQQ: 2380733807                               18
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Hzgd16 22 oct 2012 - steven zhang - quantifying environmental impacts - product life cycle

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Steven Zhang, an American Fulbright Scholar doing research in China at Zhejiang University, kindly gave a us a presentation about quantifying the environmental impacts of modern, manufactured consumer products by analysing their entire life cycles.

Date: 22 Oct 2012

Venue: Vineyard Cafe (YuGu Road - 50m north of the XiXi Road intersection - Hangzhou City, China)

Hangzhou Green Drinks

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Hzgd16 22 oct 2012 - steven zhang - quantifying environmental impacts - product life cycle

  1. 1. Good intentions, bad results The importance of quantifying environmental impact Steven Zhang Hangzhou Green Drinks October 22, 2012 1
  2. 2. About me 2
  3. 3. The Problem 3
  4. 4. Product life cycle Raw material extraction Manufacture Use Disposal Product life cycle 4
  5. 5. Life cycle inventory Raw material Atmospheric extraction emissions Energy Manufacture Waterborne waste Raw materials Use Solid waste Disposal Other releases Inputs Product life cycle Outputs 5
  6. 6. Life cycle impact assessment Global Warming Raw Atmospheri material c emissions extraction Ozone depletion Energy Manufactu Waterborn Acidificatio re e waste n Raw materials Use Solid waste Eutrophicat ion …… …… Disposal Other Carcinogeni releases cs Inputs Product life Outputs Impact cycle categories Life Cycle Inventory Life Cycle Impact Assessment 6
  7. 7. Life cycle analysis: the whole process Global Warming Raw Global material Atmospheri Warming 1.1pts c emissions extraction Ozone Ozone depletion depletion 1.0pts Energy Manufactu Waterborn Acidificatio Acidific 3.2pts re e waste n ation Raw materials Use Solid waste Human toxicity Human …… …… toxicity 3.0pts Disposal Other Carcinogeni releases cs Carcinogens 0.7pts Total: 9.0pts Inputs Product life Outputs Impact Normalized cycle categories impact scores Life Cycle Inventory Life Cycle Impact Assessment 7
  8. 8. More on product life cycle 8
  9. 9. System boundaries Kindle 3 Manufacture and Transport Use Disposal Materials 9
  10. 10. System boundaries Outside system boundary Manufacture and Transport Use Disposal MaterialsKindle 3 Product 10% recycled China to Boston Charging Packaging 90% landfill Charger Inside system boundary Transportation for Wi-Fi/3G network recycling Amazon.com servers 10
  11. 11. Kindle 3 impact Battery .05 UseMaterials/Manufactur e: 3.95 ReciPe poins 11
  12. 12. 12
  13. 13. LCA as part of the redesign process1. Understand users 2. Quantifyand needs environmenta l impact of current product 4. Quantify impact of new design 3. Ideate with sustainability in mind 13
  14. 14. China 14
  15. 15. Circular economy 循环经济 15 Image source:chinacir.com.cn
  16. 16. 16
  17. 17. 17
  18. 18. How to contact melinkedin.com/in/stevenqzhangQQ: 2380733807 18

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