A cost benefit approach to adaptation options and disaster risk management
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A cos t benefi t approach t o a dapt a tion options and di saster r i sk mana gement As ian Dev elopment B ank, 1 7 Nov ember 2 01 1, Manil a Ivo Menzinger Managing Director Global Partnerships
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Transcript of A cost benefit approach to adaptation options and disaster risk management
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A cost benefit approach toadaptation options anddisaster risk managementAsian Development Bank, 17 November 2011, Manila
Ivo MenzingerManaging DirectorGlobal Partnerships
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picture of extreme event
Tohoku tsunami 2 01 1; source and c opyright: SOS Earthquakes
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Adaptation is only one element of acomprehe ns ive risk response s trategy
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Managing total climate risk requires acost-effective adaptation portfolio
Infrastructureand asset- basedresponses
Technologicaland proceduraloptimizationresponses
Systemic andbehavioralresponses
Risk transfer andcontingentfinancing
Portfolio ofresponses
Hazards
Value
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2,4002,2002,000200 1,8001,6001,4001,2001,000
1.00
0.73
0.12
0
1.0
0.2
0.4
0.120.110.020.01
-0.16800400
-2.2
3,0002,8002,600
0.6
0.8
600
-0.18
Cost/benefit 1
Averted loss (M $)
Residual loss
80% of the
expected loss
100% of the
expected loss
Drainage
systems (rf)
Soil techniques
Drainage systems (ir)
Irrigation controls
Drip irrigation Cropengineering (ir)
IntegratedPest Mgmt. (ir)
IPM Rainfed
Sprinkler irrigation
Watershed +rwh
Insurance
Cropengineering (rf)
Example Maharashtra, IndiaAdaptation strategies in a climate change context
State of Maharashtra:
1 Estimated present value out to 2030 at 2009 dollars
Risk transfer
• Risk transfer measures are effective for low-frequency, high severity events• Through providing a price signal to risk, insurance reduces total risk
>
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A comprehensive risk response strategy comprises mitigation, adaptation,and transfer of risk.
Adapta tion options include behavioural, technological, infras tructure, and
financial response s.
A systematic cost-benefit analysis of availab le adaption options provides asound basis for decision making.
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Conclusions
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Thank you
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