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Adapting to Climate Change: Assessing the World Bank Group ...

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OVERVIEWfor o<strong>the</strong>rs. Ano<strong>the</strong>r approach <strong>to</strong> riskmanagement, index-based insurance, seeks <strong>to</strong>reduce <strong>the</strong> cost of insuring against droughtsand is of particular relevance <strong>to</strong> pas<strong>to</strong>ralistsand rainfed farming. However, small-scaleexperiments have mostly not yet led <strong>to</strong> scaleup.Exceptions include a highly subsidizedscheme in India and a Mongolian lives<strong>to</strong>ckscheme.Expansion of irrigation is a potentiallyimportant avenue of adaptation, via expansionin<strong>to</strong> rainfed areas, and through provision ofincreased s<strong>to</strong>rage where rainfall is becomingmore variable. A prime concern is boosting<strong>the</strong> efficiency and sustainability of irrigation,which accounts for 86 percent of humanwater consumption. Competition for waterwill intensify as demand increases and climatechange disrupts supply. IEG evaluations havehighlighted <strong>the</strong> difficulties, and limitedsuccess, in setting up institutions for efficientand equitable water allocation and forsustainable finance of water systems.However, recent and ongoing projects inChina are demonstrating important technicaland institutional innovations in tracking andregulating actual water consumption, married<strong>to</strong> incentives <strong>to</strong> increase water productivity.The <strong>Bank</strong> has innovated in financial productsfor risk management. Catastrophe DeferredDrawdown Options (Cat DDOs)—in effect,lines of credit for emergencies—have beenwell received among International <strong>Bank</strong> forReconstruction and Development (IBRD)clients but are not available <strong>to</strong> IDA countries,and not appropriate for all borrowers.Financial risk management products, such as<strong>the</strong> Caribbean Catastrophic Risk InsuranceFacility and Malawi wea<strong>the</strong>r derivatives—<strong>to</strong>ge<strong>the</strong>r with financing arrangements forEthiopia’s Productive Safety Net Program—show how <strong>to</strong> improve disaster relief financing.However, existing public programs andprivate markets (including catastrophe bonds)are unable <strong>to</strong> offer coverage for more than asmall fraction of <strong>to</strong>tal damages from floodsand s<strong>to</strong>rms. This leaves a major gap in climateresilience risk management at <strong>the</strong> internationallevel.Sustainability is a key cross-cutting concern ifACV-type projects are <strong>to</strong> make lastingcontributions <strong>to</strong> ACC. Projects initiated aspart of an emergency response effort riskdesign flaws due <strong>to</strong> rushed preparation.Physical works including irrigation have faileddue <strong>to</strong> lack of maintenance, especially whenfunding is not maintained. “Soft”infrastructure, such as mangroves for coastaldefense, are vulnerable <strong>to</strong> natural or humandestruction, particularly when incentives formaintenance are missing, as shown bydivergent outcomes of two mangroveplantation projects in Bangladesh.Hydrometeorological (hydromet) systems—used <strong>to</strong> record and analyze data on hydrologyand meteorology, such as river flows,precipitation, and temperature—are oftenfinancially precarious and unable <strong>to</strong> maintainequipment, as evidenced by silent orintermittent stations. Institutionaleffectiveness falters when funding is cut back,as occurred with Kenya’s drought reliefprogram.Avoiding maladaptation is ano<strong>the</strong>r challenge.For example, widespread planting of treespoorly suited <strong>to</strong> local conditions has reducederosion and boosted carbon s<strong>to</strong>rage in China’sLoess Plateau, but has reduced groundwaterrecharge in water-scarce regions.Anticipa<strong>to</strong>ry Adaptation <strong>to</strong> <strong>Climate</strong> <strong>Change</strong>In grappling with long-term climate change, itis natural <strong>to</strong> turn <strong>to</strong> climate modeling forguidance, and <strong>the</strong> <strong>Bank</strong> <strong>Group</strong> has done so,often innovatively. It has also supportedtraining and capacity building in <strong>the</strong> use of <strong>the</strong>models. The models, which are essential forelucidating <strong>the</strong> global climate system, havebeen informative in some applications related<strong>to</strong> agriculture or water development over largeregions. But for many planning and designxxii

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