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Looking for a Sustainable Future...2010/04/01 · Looking for a Sustainable Future LCANZ...
Transcript of Looking for a Sustainable Future...2010/04/01 · Looking for a Sustainable Future LCANZ...
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Looking for a Sustainable FutureLCANZ Conference, Wellington, 24 March 2010
Prof Roland Clift, Centre for Environmental Strategy (CES)
Professor Roland Clift
Centre for Environmental Strategy
University of Surrey
President of the International Society for Industrial Ecology
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TIM JACKSON
“Sustainability is the art of living well within the ecological limits of a
Prof Roland Clift, Centre for Environmental Strategy (CES)
within the ecological limits of a finite planet.”
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EFFICIENCY
-The traditional domain of engineering
-Activities constrained by :
-scientific laws including thermodynamics
Prof Roland Clift, Centre for Environmental Strategy (CES)
EFFICIENCY
thermodynamics
-technological ingenuity
-efficiency within the existing economic system
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ENVIRONMENT
ENVIRONMENT
-Resource availability
-Capacity to
-Constraints imposed by the planet:
Prof Roland Clift, Centre for Environmental Strategy (CES)
EFFICIENCY
-Capacity to absorb emissions, the “excrescences of consumption”
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EQUITY
ENVIRONMENT
Ensuring a better quality of life for everyone, now and for generations to come
Prof Roland Clift, Centre for Environmental Strategy (CES)
EQUITYEFFICIENCY
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SUSTAINABILITY AND SUSTAINABLE DEVELOPMENT
ENVIRONMENT
Prof Roland Clift, Centre for Environmental Strategy (CES)
EQUITYEFFICIENCY
X
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THE FOUR E’S: Sustainable development is an ethical concept, like “justice”
ENVIRONMENT
Prof Roland Clift, Centre for Environmental Strategy (CES)
EQUITYEFFICIENCY
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E
E E
SUN SUN
WASTE
HUMANSOCIETYFOOD
etc.GOODS
&SERVICES
THE HUMAN ECONOMY
Prof Roland Clift, Centre for Environmental Strategy (CES)
WASTE
AGRICULTURE INDUSTRY
DISPERSEDEMISSIONS
NON-RENEWABLE RESOURCES
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A SIMPLE SUPPLY CHAIN
Material and
Manufacturing Distribution Use
Prof Roland Clift, Centre for Environmental Strategy (CES)
Material and Energy
Extraction
Waste Management
EARTH
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ACCUMULATION OF ECONOMIC VALUE AND ENVIRONMENTAL IMPACT ALONG THE SUPPLY CHAIN –MANUFACTURED PRODUCTS
ENVIRONMENTALIMPACT
4
23
Prof Roland Clift, Centre for Environmental Strategy (CES)
1: Resource extraction2: Processing & Refining3: Manufacturing4: Retail and distribution
1
0ADDED VALUE or
CONTRIBUTION TOGDP
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FIRST USE VS. RECOVERY AND RECYCLING
ENVIRONMENTALIMPACT
A4
23
Prof Roland Clift, Centre for Environmental Strategy (CES)
1
0
5
6
ADDED VALUE orCONTRIBUTION TO
GDP
7 B
1: Resource extraction2. Processing & Refining3: Manufacturing4: Retail and distribution5: Recovery6: Dismantling7: Remanufacturing
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ENVIRONMENTAL IMPACTS OF CONCERN
1. GREENHOUSE GASES- “carbon leakage”- Should accounts be on a production basis or a
consumption basis?
2. LAND USE- Land is a constrained resource- Central issue in debate over biofuels
Prof Roland Clift, Centre for Environmental Strategy (CES)
- Central issue in debate over biofuels
3. WATER- “Virtual” or “embodied” water in products- Concern over water-intensive products from water-stressed
areas.
4. SCARCE MATERIALS- Rare metals- Land
Nos. 2, 3 & 4 require consequential analysis…
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Methodological Issues 1:Attributional vs Consequential
Are we concerned with
- describing the supply chain and the associated impacts and risks?or
Prof Roland Clift, Centre for Environmental Strategy (CES)
or- Asking “what if we produce this product rather than any
other”?
Scale matters : total or marginal?
If comparative, comparing what with what?
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The Attributional vs Consequential decision conventionally affects Inventory Analysis (e.g. biofuels)
but
Prof Roland Clift, Centre for Environmental Strategy (CES)
but
for scarce abiotic resources it is also an impact issue
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Assessing resource depletion
We need to distinguish between
A. Relatively abundant metals ; e.g. Fe, Al and “localised” metals; e.g. PGM
Prof Roland Clift, Centre for Environmental Strategy (CES)
and “localised” metals; e.g. PGM
B. Mined metals; e.g.Fe, Al and “co-products” or “hitch-hikers”
Where are In, Te…………..?
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Methodological Issues 2:
Is LCA
- an expert tool to guide technology management?
Prof Roland Clift, Centre for Environmental Strategy (CES)
management?
- an approach to structuring information to inform participatory deliberation?
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THE PRODUCT DEVELOPMENT PROCESS
Phase 0: Phase 1: Phase 2: Ph ase 3: Phase 4: Phase 5Idea Feasibility Proof of Concept Scale-up Pre- Commercial Commercial
Prof Roland Clift, Centre for Environmental Strategy (CES)
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THE PRODUCT DEVELOPMENT PROCESS
Phase 0: Phase 1: Phase 2: P hase 3: Phase 4: Phase 5Idea Feasibility Proof of Concept Scale-up Pre- Commercial Commercial
Prof Roland Clift, Centre for Environmental Strategy (CES)
1. Conventional use of DFE: detailed design
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THE PRODUCT DEVELOPMENT PROCESS
Phase 0: Phase 1: Phase 2: Ph ase 3: Phase 4: Phase 5Idea Feasibility Proof of Concept Scale-up Pre- Commercial Commercial
Prof Roland Clift, Centre for Environmental Strategy (CES)
2. Strategic use of LCA
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If we are serious about deliberative decision making, then we must stop thinking of LCA as an expert tool
Prof Roland Clift, Centre for Environmental Strategy (CES)
- which probably means not using the conventional “mid-points”……
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E
E E
SUN SUN
WASTE
HUMANSOCIETYFOOD
etc.GOODS
&SERVICES
THE HUMAN ECONOMY
Prof Roland Clift, Centre for Environmental Strategy (CES)
WASTE
AGRICULTURE INDUSTRY
DISPERSEDEMISSIONS
NON-RENEWABLE RESOURCES
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RESOURCE
Process
Manufacture 1
Extract
“METABOLISED”USE OF A MATERIAL
Prof Roland Clift, Centre for Environmental Strategy (CES)
WASTE
USE 3etc.
Re-useWASTE
USE 3etc.
Re-processCascade
Re-use
RecycleUSE 1 Manufacture 2
USE 2 Re-process
Re-process
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Resource
Extraction &Processing
PolymerisationBlending &
FormingUse
INDUSTRIAL ECOLOGY FOR PLASTICS
Prof Roland Clift, Centre for Environmental Strategy (CES)
Processing Forming
Disposal
Fuel
Energy Recovery
Chemical Recycling & Pyrolysis
Depolymerisation
M echanical Recycling
Re-Use
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“METABOLISED” USE OF A MANUFACTURED PRODUCT
Use
Undifferentiated
scrapUser
Usedhardware
Manufacturer Service
Prof Roland Clift, Centre for Environmental Strategy (CES)
Components
Refurbishment& upgrading
Assembly
Disassembly
Materialsproduction
hardware
Waste
AlternativeMaterials
Material uses
Scrap material
Feedstock
ManufacturerSupplier
Componentmanufacture
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EXAMPLES OF SOCIAL IMPACTS OF CONCERN
1. LABOUR CONDITIONS
- No child labour- Freedom of association
2. GENDER
- Equality of opportunity
Prof Roland Clift, Centre for Environmental Strategy (CES)
- Equality of opportunity- Equity of power
3. EDUCATION
- Opportunity- Social mobility
4. HEALTH
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Where does this point?
A redefinition of quality or luxury…
EQUITY includes:
– Equity along the supply chain– Equity of access to “environmental services”
Prof Roland Clift, Centre for Environmental Strategy (CES)
– Equity of access to “environmental services” between affluent and poor
This requires consumption in affluent societies to have low environmental impact per dollar spent and to provide social and economic benefits along the supply chain:
The “Fair Trade” principle and beyond…
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Gucci is good for the earthand
Prof Roland Clift, Centre for Environmental Strategy (CES)
andAngels wear Prada
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BUT WHAT HAPPENS TO THE WASTE?
Prof Roland Clift, Centre for Environmental Strategy (CES)