technology vs enviromental impact
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Technology vs
environmental impact
kProvides benefit for better quality of human life
� Gives environmental impact
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evidence
y Easter island
y stack in China (80% of worlds stack)y Born babies suffering from bad disease, mental
retardation (caused by polluted environment,mercury, etc.)
y Global warming and climate change
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What causes the problems
I = P * A * T
I Environmental Impact
P Population
A A ffluence (Consumption of serviceand product per capita)
T Technology (environmental burdenper product or service unit)
The Ehrlich-Holdren Equation by Paul Ehrlich and John Holdren (1970s)
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The Future?
Global development
y North 2% growthy South 6.7% growth
y Asia = 60% of world·spopulation
y 22% of region·s popabsolute poverty
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Engineers are core players
y but can engineers (on their own) do the
job?
y Social and technological issues are increasinglyinterconnected
y Strategic thinking in technology
y Stakeholders involvement
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What is new?
y We face the limit of our planet: there is
no place to go if we mess it upy We need leap of technology, not just
optimization
y We live more and more in participatory
society, and so we need stakeholdersinvolvement
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Environmental efficiency?y Environmental impact
/(passenger*km)
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Control dilemma
y A new technology can be adjusted in itsearly stages
y But we hardly know its effect
y Only later we see the effect
y At that time, adjustments are almostimpossible
Negative effect is known innovationof technology
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Rebound effect
Technology cheap energy more consumption per capita ??
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What can technology contribute to
solve environmental problems?
y 3-D technology:
y
Dumping (waste in pits, etc)y Displacement (moving pollution by sewerage)
y Dilution (fluid waste)
yEnd of pipe tech (incineration, pyrolysis,
fermentation, chemical treatment)y Sustainable technology, sustainable resource
management, circular economy
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Sustainable technologies
yare those technologies that fulfil the
needs of mankind without the use of
non-renewable resources, and without
creating large scale, and/or irreversible
damage
ydoing more with less
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Sustainable development
y is a pattern of resource use that aims to meet humanneeds while preserving the environment so that theseneeds can be met not only in the present, but also for
generations to come. The term was used by theBrundtland Commission which coined what hasbecome the most often-quoted definition of sustainable development as development that "meets
the needs of the present without compromising theability of future generations to meet their own needs."
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Plastics, problemsadvantages processing
*lightweight*no corrosion
*easily processable
Crudeoil
monomer
granules
product
waste
CO2,Biomass
Spentcatalyst
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3R (reduce, reuse, recycle)
y Regional 3R forum in Asia
y Japan : MoE Directorate General of WasteManagement and Recycling Dept.
y China: circular economy
y Indonesia: national 3R strategy (aided by UNCRD)
y To encourage: award (Proper, adipura)
y Surabaya: green and clean - involving community,
supported by local gov, industry, & univ.
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Significance of upper-stream activities
in promoting 3R
production
consumption waste
reuse
reduce
recycle
landfill
dumping
environment
Naturalresources
Resourceefficiency improvement
Waste preventionand minimization
Closed loop
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3R promotion agents
government
industry Researchinst/univ
R&DEPR:extended producers responsibility e waste, packagingCSR:corporate social responsibility
regulation
Knowledge hub
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Cleaner production
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Stop Global warming
� Emission reduction
� Clean DevelopmentMechanism (carbontrade)
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CDM
Developed country,required to reduceemission,
substitute by providing fundas compensation
Industry indevelopingcountry,utilizedsubstitute of fosssil fuel reduced profit
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Thank you
Increase awareness to
environmental conservation