cradle to cradle - semantic scholar...• cradle to cradle instead of cradle to grave • consumers...
TRANSCRIPT
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Cradle to Cradle Remaking the Way We Make Things
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Summary
• Cradle to Cradle instead of Cradle to Grave
• Consumers actually use very little; the rest is thrown away—but there is no "away"
• Waste is Food •"Biomemetic"s- Example of Ants
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Key Words • Technical Nutrients: Synthetic product that,
although not part of the natural world, can be reused infinitely and thus do not contribute waste.
• Biological Nutrients: Organic matter that, even if it is waste, contributes nutrients, food, etc. to the natural world.
• Downcyling: recycling materials into lesser products, with each iteration less useful and more wasteful
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Examples
• Eating utensils made out of non-toxic, organic, completely biodegradable materials that "you can feel good about throwing away" (instead of guilty)
• Shoes made out of 2 parts: Sole of rubber ("technical nutrient") and upper of biodegradeable material ("biological nutrient") that you rent instead of buy; when it is worn out, you return it to the manufacturer, who disposes of upper and reuses sole
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5 Steps • Get Free of Known Culprits • Follow Informed Personal Preferences • Create lists of materials according to their safety
level – X List – known hazardous materials that must be
phased out – Gray List – unknown or somewhat problematic
materials – P List – known non toxic or safe materials
• Activate the list (keep P, remove X, study Gray) • Reinvent-redesign of the former system
Text directly from the book 5
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Questions!
• Cradle to Cradle mentions the example of creating carpeting out of recycled plastic containers. What could be the downside of such a project?
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Questions!
• What is the difference between upcycling and downcycling? Pros? Cons?
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Questions!
• What is the difference between efficiency and effectiveness, especially when pertaining to eco-friendly design?
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Questions!
• Where can we get inspiration for waste-free, or nearly waste free, cycling of materials?
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Questions!
• What is the danger of mixing technical and biological nutrients?
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Questions!
• Cradle to Cradle mentions the example of creating carpeting out of recycled plastic containers. What could be the downside of such a project?
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Questions!
• If a cherry tree would design a building, what would it be like?
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EC.720J / 2.722J D-Lab II: DesignSpring 2010
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