Case study Wetering Duurzaam energie neutral by post master graduates SEBC
Hoezo, duurzaam bezig?
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Sustainable? Roland ten Klooster
Looking at sustainability in another way
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Sustainability - definition
‘Sustainable Development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs. This involves addressing economic, social and environmental factors, and their interdependence in an organization's decision-making and activities’
World Commissions on Environment and Development (the Brundtland Commission) during a United Nations conference (WCED, 4 August 1987)
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Sustainability - definition
Based on the way indians live Needs and limitations “Don’t eat your seed corn” “Do unto others as you’d have others do unto
you”
Sustainability – three elements
Environmental protection Social equity Economic prosperity Also known as people, planet profit
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Human being and nature
Human part of or loose from nature Role of Christianity - Monotheism Use of chemicals
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Genesis 1:26-7
Zij zullen zeggenschap
hebben over de vissen in de
zee, de vogels in de lucht,
over de dieren op het land, de
tamme en de wilde, de grote
en de kleine.
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Use of chemicals
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Human behavior
More individualistic Hedonistic Impulsive Unconsciously influencing (advertising psychology) Temptation
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Consumer behavior
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Consumer behavior
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Politics
Who will vote on a party that: Raises energy prizes Promotes eating less meat Promotes public transport Put taxes on imported products according to
the carbon foot print Etc.
They promise but when it comes to measures they need compromises
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Insight in technology and chains
Fragmentizing The big picture Not able to make calculations, to
compare units, etc.
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Need for ice – chain analysis
Carbon Foot Print Ben & Jerry's (Website B&J - 2008)
Sourcing of ingredients
(chocolate, fruit, cereals)
Energy needed for cooling
Dairy supply chain
Transport finished product
Packaging
Rest
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Units
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Leaving charger
in for 24 hours = 1 second car
driving
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Strawberries
Eating strawberries out of the season
Imported from Chili by airplane
Between 2 and 4 kg of kerosene for 1 kg of strawberries
The government puts taxes on the plastic packaging of 12 grams because packaging is bad for the environment
What kind of message is this?
Sustainable Energy -
without the hot air
David J.C. MacKay
Scenario for GB Use of energy
compared with alternative sources
Alternative 10% most windy
area covered for wind energy
All roofs covered for sun energy
500 km coast for wave energy
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Economics
Preoccupation with economical growth 10 years of 2% growth means +21,9% of
extra money to spend by people So it also means that energy use has to
be 21,9% more efficient to stay at the same level There is a straight relation between
economics and load on the environment
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Human being and policy
What did 40 years of environmental policy bring us?
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Energy linked to income and economic growth
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Waste in kg per capita
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0
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100
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200
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300
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400
450
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50
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55
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60
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65
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90
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95
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00
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Conclusion
Sustainability? Not according to the definition Mostly only the P from Planet Profit and People have to taken into account
More sustainable? Not according to the definition
Less polluting? Not according to many figures
And now?
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And now?
We need to invest in alternative technologies We have to pay attention to the other P’s May be adjust our demands and realize
how prosperous we are? But it is absolutely clear that we need a
drive By the way: it will come naturally
because energy prices will go sky high
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Thank you for your attention