Everyday sustainability – 2013, Education for Sustainable Development

Bernd Nurnberger
ESD Forum 2013, Tokyo
Everyday
Sustainability
2013 August 03, Saturday

Define
“sustainability”
Tribute to Ray Anderson

Ray Anderson:
“Nature defines sustainability for us.”
http://www.youtube.com/watch?v=Uf0fUi8LASQ
See also http://www.ted.com/speakers/ray_anderson.html

Education for “sustainable development”...
If we keep going, we keep growing?
“We need a new literacy: eco-literacy.”
-- Gunter Pauli

Everyday Eco-Literacy
1. If you go “green”, you can save with
coolbiz shirt
shower timer
power strip
light bulbs
refrigerator
air conditioner
2. Technology cost curves

COOLBIZ shirt
Return on investment:
immediate
- cost the same
- save undershirt
- comfort up 1-2℃
- cooling energy down ~5%
- wash fewer pieces
Photo by author Shirt by BRICK HOUSE (Tokyo Shirt)

Warm water
~15% of
home energy use
Timer
Photo by natala007 on flickr
Return on
investment:
few days

Warm water
~15% of
home energy use
What is better, higher
temperature or lower flow?
Winter: 41°C

Power Symbols (Wikipedia)
Power Strip - Switched
Cut standby waste (~15W)
Microwave, PC, TV, Recorder, ...
Return on investment: 3 months
Photo by info_grrl on flickr

If you buy a home appliance
What costs more: purchase or energy?
long-term

If you buy a CFL light bulb
some
save
~15%
on
power
bill
http://www.commoncraft.com/video/cfl-light-bulbs

If you buy a LED light bulb
save
~80%
energy
cost of
a bulb
http://www.youtube.com/watch?v=3sn_UyC_Ljc

Energy expenses only
Energy useEnergy use bulb 60W CFL 13WCFL 13W LED 7W
4h/day4h/day 1460h 1460h1460h 1460h
kWh / year 87.6 19.0 10.2
cost 22c/kWh $19.27 $4.18 $2.24
in 10yin 10y $193 $42$42 $22
bulb lifebulb life 1 y 10y10y 27y
0
75
150
225
300
buy 5 y 10y 15y
bulb 60W CFL 13W
LED 7W

How many bulbs, cost
bulb 60W CFL 13W LED 7W
bulb price $2 $7 $14
4h/day 1460h 1460h 1460h
bulb life 1500h 15000h 40000h
bulbs/10y 10 1 ~1/3
0
10
20
30
40
buy 5 y 10y 15y
bulb 60W CFL 13W
LED 7W

Embedded energy
cost 22c/kWhcost 22c/kWh bulb 60W CFL 13WCFL 13W LED 7W
kWh / year 87.6 19.0 10.2
save / year baseline 68.6 kWh 77.4 kWh77.4 kWh
bulb pricebulb price $2 $7$7 $14
embed equiv. 9kWh 31.8kWh 63.6kWh
time to save baseline 0.46y 0.82y
bulb lifebulb life 1y 10y10y 27y
0
38
75
113
150
buy 5 y 10y 15y
bulb 60W CFL 13W
LED 7W
Assume embedded energy = price in kWh equivalent

If you buy a LED light bulb - check:
a few
do
flicker
flicker.
View:
digi-
cam Photo taken with iPhone 4S. Striping effect may be stronger on live screen than in a photo.

If you buy a home appliance
biggest energy users in summer
kojima.net ad 2011-08-07 in Asahi Shimbun Yokohama edition

If you got a new refrigerator in 1998,
the second one in 2013 is free.
0
1000
2000
3000
4000
buy 5 y 10y 15y
new inverter old (1998)
buy new 1020 keep old 0
kWh/y 600 kWh/y 1200
400l per JIS C 9607 C400l per JIS C 9607 C 370l estimated370l estimated
energy 22c/kWhenergy 22c/kWh energy 22c/kWhenergy 22c/kWh
in 10y 1320 in 10y 2640
TCO 2340 TCO 2640
TCO: Total Cost of ownership

Purchase 1280
10y
energy
610
TCO 1890
Purchase 728
10y
energy
968
TCO 1696
Which fridge is the better buy for you?
bic camera ad 2013-06 in Asahi Shimbun Yokohama edition

If you bought in 2011- which fridge?
Purchase 728
10y
energy
1010
TCO 1738
Purchase 1030
10y
energy
660
TCO 1690
kojima.net ad 2011-08 in Asahi Shimbun Yokohama edition

1030
660
1690
buy 728
10y energy 1010
LCC 1738
If you buy - which fridge?
0
500
1000
1500
2000
2500
3000
buy 5 y 10y 15y
Mitsubishi 335l Toshiba 427l

If you buy an air conditioner
Sharp Panasonic Hitachi
buy 675 878 898
10y energy 1670 1540 1672
TCO 2545 2418 2580
kojima.net ad 2011-08-07 in Asahi Shimbun Yokohama edition
TCO: Total Cost of Ownership

0
1000
2000
3000
4000
buy 5 y 10y 15y
675 878 898
1670 1540 1672
2545 2418 2580
If you buy an air conditioner

HEMS in Japan Home Energy Monitoring System

Everyday Eco-Literacy
Technology cost curves

Technology cost curves - at home
McKinsey (2010) Version 2.1 of the global greenhouse gas abatement cost curve
done difficult

Innovation
UNEP (2011) Decoupling natural resource use and environmental impacts from economic growth

Green
+
profitable
=
blue
economy
http://youtu.be/MyTHmTDT2Qw

RPerez_COP15_OurSolarFuture.pdf , also at Eco Summit (2013)
Planetary Energy Resources
1 TWy = 8760 TWh

http://youtu.be/oIQdYXCKUv0
More at http://www.storyofstuff.org/movies-all/story-of-change/l
Everyday Sustainability
and beyond

Everyday Sustainability
Thank you. Questions & Answers
(i) inspired by
ChangeThis Manifesto 25.03 Beyond Sustainability
Technologies zeri.org, www.blueeconomy.de, 88light EnerSaver
Reimagining Japan McKinsey & Co (2011), A 20-year road map for the future
Co-creation, self-organization http://appropedia.org, http://openspaceworld.com
Student Leaders Workshop Seth Godin Wants You to Decide! video, 7m
Friends suggested transitionnetwork.org, 350.org, wiser.org
Sources indicated nearby or linked the page element
Author’s blog ... a beginner at something
Author’s project Home co-generation in Japan, a good investment?

Everyday sustainability – 2013, Education for Sustainable Development

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