Saved wealth, saved health: approach, methodology and case study of adaptation benefits in the agricultural sector in Kenya Matthias Krey Senior Advisor, Perspectives Climate Group International Conference on Adaptation Metrics for Water & Agriculture Ben-Guerir, Morocco 07.10.2017 www.perspectives.cc | info@perspectives.cc
Universal metrics for CC adaptation Advantages Transparency and comparability Ex-ante : Project identification Improves and facilitates Cost-Benefit Analysis (CBA) Ex-post : Enables M&E allowing corrections / adjustments and lessons learned Quality criteria for a universal metric Quantifies adaptation benefits based on the losses due to climate change impacts without the adaptation project („ baseline scenario “) Balances need for quantification with amount of categories of benefits IN CONTRAST TO MITIGATION (TCO2) Avoids debate on value of life of individuals UNIVERSAL METRICS FOR QUANTIFYING Is as objective and robust as possible ADAPTATION BENEFITS CURRENTLY MISSING (IPCC 2007, UNFCCC 2012) www.perspectives.cc | info@perspectives.cc 2
Approaches to Prioritising Different Adaptation Projects Quantified in monetary terms Quantified in non Qualitative Output Indicators Method monetary terms assessment Costs and benefits must be - Net present value (NPV) CBA (Cost- quantified in monetary terms - Benefit-cost ratio benefit analysis) - Internal rate of return (IRR) CEA (Cost – Costs must be quantified in Benefits may be - Cost-Benefit Ratio monetary terms quantified in non effectiveness- Does not monetary terms but quantify analysis) must all be expressed adaptation benefits in the same unit Scoring of - Weighted scoring of MCA (Multi- Does not benefits different projects to quantify criteria-analysis) adaptation qualitatively produce a ranking benefits Saved Wealth (USD) Averted DALYs Environmental - Wealth Saved (NPV) SW/SH (including natural capital, Impact checklist - Health Saved (DALYs) avoided erosion and salination) - Environmental benefits www.perspectives.cc | info@perspectives.cc
Integrating 3 approaches into 2 possible metrics www.perspectives.cc | info@perspectives.cc
Indicator 1: Saved Wealth Applied for: - Public infrastructure - Private property Natural resources and services are included in public property Frequency distribution of damage from climate change driven extreme events taken into account for the “baseline scenario” Figure I: Frequency Figure II: change of wealth over time www.perspectives.cc | info@perspectives.cc
Indicator 2: Saved Health Valuation of human life is fraught with ethical challenges Alternative quantification indicator: DALYs DALY N L I DW D i i i i Years of life lost Years lived with disability Where: - DALY Disability-adjusted Life Years (Introduced by World Bank (1993); used by the WHO) - N Numbers of deaths - L Standard life expectancy at age of death (in years). - I i Cases of disease / injury i - DW i Disability weight of disease / injury i. - D i Average duration of disease / injury in (years) www.perspectives.cc | info@perspectives.cc 09.10.2017
Applying SW/SH • Definition of applicability and For each project type a new methodological boundaries 1 methodology needs to be developed • Deriving a baseline scenario 2 Once the methodology has been developed, data needs to • Describing project scenario(s) be gathered 3 - Project data preferable - Regional/national/international • Assessment of Saved Wealth defaults are second choice and Saved Health and The methodology can then be 4 Environmental Benefits applied to calculate SW/SH www.perspectives.cc | info@perspectives.cc
Application of SW/SH to date Vietnam: Dyke or Mangroves? Methodology : Adapting coastal zones to rising sea levels Dyke : USD 0.5m (SW), no additional SH Mangroves : USD 2.3m (SW), 243 DALYs (SH) Philippines: Mangroves and substitution of pumping station Methodology : Adapting coastal zones to rising sea levels Results: Processing ongoing Kenya: Solar Irrigation Indonesia: Increasing energy Nicaragua: Drip Irrigation efficiency in food processing Methodology : Irrigation Methodology : Irrigation technology technology in the agricultural in the agricultural sector Methodology : energy efficiency in the sector Donor Budget : USD 350,000 traditional food processing sector Donor Budget : USD 115,000 SW: USD 10.5m Donor Budget: USD 200,000 SW: USD13.43m SH : 670 DALYs SW: USD 2.1m No adaptation SH : 570 DALYs SH : 201 DALYs project! www.perspectives.cc | info@perspectives.cc
Application to real world projects: Solar Irrigation in Kenya www.perspectives.cc | info@perspectives.cc 9
Project Model SW/SH methodology: “Irrigation technology in the agricultural sector” Baseline scenario: - Rain-fed agriculture (4% irrigated), insufficient water distribution and storage - Manually operated irrigation systems are common practice (some diesel-driven pumps) - Crops: Cabbage, onions, pepper and tomatoes - Negative impacts of current irrigation practices: salinization of soil, waterlogging, yield decreases Project scenario: - Solar irrigation technology www.perspectives.cc | info@perspectives.cc Source: REEEP IMPAQT
Irrigation technology methodology baseline data I Real local data more preferable www.perspectives.cc | info@perspectives.cc
Irrigation technology methodology baseline data II Real local data more preferable www.perspectives.cc | info@perspectives.cc
Project adaptation benefits over ten years at different scales Imaage sources: Sunculture ASIK 2016 (Left), Futurepump 2016 (Right) www.perspectives.cc | info@perspectives.cc 13
Strenghts and challenges www.perspectives.cc | info@perspectives.cc 14
SW/SH: Building on emerging consensus • Part of the solution • Balance needs of global multilateral donors, national and sectoral level • Takes into account territories, regions, nations • Contextualisation and regional differentiation • Set out the climate vulnerability context of the project • Explicit statement of intent to address climate vulnerability • Direct link between climate vulnerability context and the specific project activities.” www.perspectives.cc | info@perspectives.cc
SW/SH: A multi-use and multi-level approach www.perspectives.cc | info@perspectives.cc
Next Steps for Saved Wealth, Saved Health www.perspectives.cc | info@perspectives.cc 17
THANK YOU FOR LISTENING Matthias Krey Perspectives Climate Group GmbH Senior Advisor krey@perspectives.cc | www.perspectives.cc www.perspectives.cc | info@perspectives.cc
Annex 1: Coastal Protection methodology baseline Wealth Wealth losses losses - Value of public infrastructure losses - Value of private property (rich) losses - Value of private infrastructure (middle) losses Wealth losses - Value of private infrastructure (poor) losses - Value of salinization losses - Value of erosion losses Frequency of floods and average losses during each - 10 year floods Damage curve - 6-9 year floods - 1-5 year floods - 2 week spring tides www.perspectives.cc | info@perspectives.cc
Annex 1: Coastal Protection methodology baseline Health Health losses losses - Population at start of the project Frequency of floods and % of population affected during each - Population growth rate - 10 year floods - Project lifetime in years - 6-9 year floods - Life expectancy at birth (DALYs from death) - 1-5 year floods - Standard life expectancy at death (DALYs from death) - 2 week spring tides Health losses ( DALYs from Disability weight of death, death, fractures and diarrhea fractures and diarrhea per annum) www.perspectives.cc | info@perspectives.cc
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