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26.7.2011 Seite 1Page 1
Climate change and
climate change adaptation An introduction
26.7.2011 Seite 2Page 2
As a federally owned enterprise, GIZ supports the
German Government in achieving its objectives in
the field of international cooperation for sustainable
development.
Published by
Deutsche Gesellschaft für
Internationale Zusammenarbeit (GIZ) GmbH
Dag-Hammarskjöld-Weg 1-5
65760 Eschborn, Germany
T +49 61 96 79-0
F +49 61 96 79-1115
Contact
I www.giz.de
GIZ Climate Protection Programme
Imprint
Responsible
Ilona Porsché, GIZ; Michael Scholze, GIZ
Authors
Jennifer Frankel-Reed, Barbara Fröde-Thierfelder, Ilona Porsché
Contributions by
Alfred Eberhardt, Mark Svendsen, Lea Herberg, Martin Baumgart,
Udo Höggel, Michael Scholze, Alexander Fröde, Nana Künkel,
members of the OECD Task Team on Climate Change and
Development Co-operation
Coordination
Ilona Porsché, Barbara Fröde-Thierfelder
Photo credits
© GIZ/Climate Protection Programme and Claudia Altmann,
Dirk Ostermeier, Florian Kopp, Georg Buchholz, Ira Olaleye,
Jörg Böthling, Manuel Hauptmann, Markus Kirchgessner,
Michael Gajo, Michael Netzhammer, Nicole Herzog, Peter Korneffel,
Richard Lord, Robert Heine, Rüdiger Behrens, Ulrich Scholz,
Ursula Meissner, Uwe Rau
Design
Ira Olaleye
Articles written by named authors do not
necessarily reflect the views of the editors.
26.7.2011 Seite 3Page 3
Overview
Climate change
Greenhouse effect
Emissions
Scenarios
Climate change impacts
The development concern
Adaptation to climate change
Definition
Costs
Operationalising adaptation
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Climate change
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Source: Climate Change 2007. The Physical Science Basis. IPCC Working Group 1. Contribution to the 4. AR
FAQ 1.3, Figure 1
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World Development report 2010. p 4
CO2 concentration over time
Oct 2010: 388 ppm
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The carbon cycle: stocks and fluxes
Source: World Development report. 2010. Focus A: The science of climate change. Adapted from IPCC. 2007
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Source: Climate Change 2007. Synthesis report 2007. IPCC. Geneva
Global greenhouse gas emissions: composition
26.7.2011 Seite 9Page 9
Source: Stern, N. 2006. The Economics of Climate Change. World Bank. 2009. Minding the Stock
Global greenhouse gas emissions by sector
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Source: Climate Change 2007. Synthesis report 2007. IPCC. Geneva, adapted by CDE
A2 – heterogeneous world, high
population, slow economic
development and technological
change
B1 – same population as A1,
rapid changes in economic
structures towards a service and
information economy,
introduction of clean and
resource efficient technologies
A1T - very intensive
development, population peak
mid century
A1T new technologies with use
of non-fossil energy sources
A1Fl fossil intensive energy
supply
Trying to look into the future
Emission scenarios
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Source: Climate Change 2007. Synthesis report 2007. IPCC. Geneva
Greenhouse gas emissions by region (2004)
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Source: Climate Change 2007. Synthesis report 2007. IPCC. Geneva
Example:
Projected temperature changes – scenario
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Source: Climate Change 2007. Synthesis report 2007. IPCC. Geneva
Example:
Projected temperature changes – spatial distribution
For 2090; reference period: 1980 – 1999
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Source: Climate Change 2007. Synthesis report 2007. IPCC. Geneva
Projected impact on human well-being
2 C
26.7.2011 Seite 15Page 15
Example:
Climate change and the development concern (1)
Source: WWF Climate Witness: www.panda.org/about_our_earth/aboutcc/problems/people_at_risk/personal_stories
Kiribati
Argentina
Thailand
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Example:
Climate change and the development concern (2)
Source: WWF Climate Witness: www.panda.org/about_our_earth/aboutcc/problems/people_at_risk/personal_stories
KiribatiThailand
Argentina
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Example:
Climate change and the development concern (3)
~30 – 60% of
ODA potentially
affected by
climate change
Fiji
Aid flows affected by climate risk
in red
Shaded areas indicate uncertainty.
Bangladesh Egypt Tanzania Uruguay Nepal Fiji
To
tal a
id f
low
s in
mil
lio
ns U
SD
, 1
99
8-2
000
Source: OECD, Bridge Over Troubled Waters (2005)
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Adaptation to climate change
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Defining adaptation
Adjustments in human and natural systems, in response to actual
or expected climate stimuli or their effects, that moderate harm or
exploit beneficial opportunities.
Mitigation:
reduce
emissions,
reducing
magnitude
of CC
Adaptation:
reduce
vulnerability
to CC
impacts,
reduce
losses
Adaptation and mitigation are complementary strategiesSource: UNDP
Climate change
impacts
Global climate change: change in mean global
temperature, changes in regional temperature, rainfall,
pressure, circulation, etc.
Greenhouse
gas emissions
26.7.2011 Seite 20Page 20
measures
reaction time
external costs
measures
external costs
Reaction timeC
O2-e
mis
sio
ns
Em
issio
ns
of con
ve
ntio
na
l
air
po
llu
tants
Exte
rna
lco
st
Of
CO
2-e
mis
sio
ns
Exte
rna
lco
sto
f a
irp
ollu
tio
n
Quelle: Denk-Schrift Energie, Swiss Accademics,2007
emissions
measures
reaction time
external costs
measures
external costs
Reaction time
CO
2-e
mis
sio
ns
Em
issio
ns
of
conventional
air
polluta
nts
Exte
rna
lco
st
Of
CO
2-e
mis
sio
ns
Exte
rna
lco
sto
f a
irp
ollu
tio
n
Quelle: Denk-Schrift Energie, Swiss Accademics,2007
emissions
measures
reaction time
external costs
measures
external costs
Reaction timeC
O2-e
mis
sio
ns
Em
issio
ns
of con
ve
ntio
na
l
air
po
llu
tants
Exte
rna
lco
st
Of
CO
2-e
mis
sio
ns
Exte
rna
lco
sto
f a
irp
ollu
tio
n
Quelle: Denk-Schrift Energie, Swiss Accademics,2007
emissions
measures
reaction time
external costs
measures
external costs
Reaction time
CO
2-e
mis
sio
ns
Em
issio
ns
of
conventional
air
polluta
nts
Exte
rna
lco
st
Of
CO
2-e
mis
sio
ns
Exte
rna
lco
sto
f a
irp
ollu
tio
n
Quelle: Denk-Schrift Energie, Swiss Accademics,2007
emissions
Adaptation – a case for urgency
Source: Denk-Schrift Energie, Swiss academics, 2007
26.7.2011 Seite 21Page 21
Costs: Estimated adaptation costs and investment
requirements in developing countries
SourceEstimate
(US$ bn/yr)
World Bank as revised by the Stern Review
(2006)4 – 37
Oxfam (2007) 8 – 33
UNFCCC (2007) 28 – 67 (in 2030)
UNDP: HDR 2007 – 08 86 (in 2016)
World Bank (2009) 75 – 100 (2010 – 2050)
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Costs: Estimates by sector
Sector
Global
(billion USD)
Share in developing
countries
Agriculture, forestry and fisheries
(production, processing, R&D)14 50%
Water supply
(water supply infrastructure)11 80%
Human health
(diarrheal disease, malnutrition
and malaria)
5 100%
Coastal zone
(beach nourishment and dykes)11 40%
Infrastructure
(new infrastructure adaptation)8-130 25%
Source: UNFCCC 2007
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Operationalising adaptation
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What are adaptation options?
Policy
Improve regulations, adjust incentive system, enhance participation of
affected communities
Infrastructure
For example: Water control – construct dykes, improve climate-resilient
infrastructure
Capacity development
Improve monitoring of sea temperature, erosion rates; improve
management skills
Research
Monitoring for policy advise, climate-resilient breeds/species
Good practices
Soil conservation, to improve agricultural yields, keep ecosystem
functions intactSource: Adapted from USAID 2007
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Who acts and how?
Public sector responsibilities: setting rules and regulations for public
assets, public services, public goods, social protections, preventing
conflict and managing migration
Individuals and communities: household preparedness, autonomous
adaptation, share losses
Private sector: integrate climate risks into project design and services
(climate-resilient investments)
International cooperation: financial responsibility, resilient ODA,
capacity development
Source: Adapted from OECD Policy Guidance
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Difference between business-as-usual
development and adaptation
A continuum:
Human development and vulnerability reduction response
capacity managing climate change risks confronting climate
change
Source: WRI 2007
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A systematic and strategic approach to adaptation
Screening
brief check if, what and where (M1)
Analysis
Detailed assessment of need for adaptation action (M3)
What are adaptation options? (M4)
Which are the priorities? (M5)
How can we track changes and learn from experiences? (M6)
Prepare implementation
Develop according capacities (M7)
Financing
Implementation
4-step
approachcan be done
at national,
sectoral, local
and project
level
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Addressing climate change
improves development effectiveness
Cost-effective: Ignoring climate risks can be costly. Prevention through
adaptation is cheaper.
Integrated: Adaptation looks at multiple stressors including climate and
non-climate, and can prevent ‘maladaptation’.
Flexible: Adaptation builds institutional and technical capacity to adjust
to risks over time as they evolve, improving flexibility.
Source: Adapted from UNDP
26.7.2011 Seite 29Page 29
Example: Comparing prevention vs.
reconstruction costs of infrastructure in the Caribbean
Infrastructure
Deepwater
Port
(Dominica)
Norman
Manley Law
School
(Jamaica)
Troumasse
Bridge
(St. Lucia)
Grand
Palazzo
Hotel
(St. Thomas)
Original project cost 57,000,000 685,000 185,000 28,000,000
Reconstruction costs after disaster 2,310,000 28,800 32,000 5,308,000
RMNH costs as % of original construction costs 11.5% 1.9% 10.8% 0.1%
RMNH costs as % of reconstruction costs 28.0% 45.0% 62.4% 0.5%
RMNH = Risk management of natural hazards approach
Amounts given in 2005 US Dollars
Source: Adapted from Bettencourt et al. 2006