Other Infrastructure Study

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Sub-Saharan Africa

Sub-Saharan Africa, home to more than 1 billion people, half of whom will be under 25 years old by 2050, is a diverse ...

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    Fit for Purpose: Dam Rehabilitation Prioritization Tool in Zimbabwe
    (Washington, DC, 2022) World Bank
    As a nation with highly variable and limited availability of water resources, Zimbabwe relies on a vast and aging water infrastructure stock that requires prompt rehabilitation to better support the water, food, and energy sectors. The country has limited water resources, with much of its area classified as semi-arid with highly variable rainfall. Zimbabwe relies on dams to store water to ensure irrigation for food security, water supply, and hydropower production. It has the second highest water storage capacity per capita in Southern Africa. There are about 10,000 dams, from large to small, and more publicly owned dams than private dams.
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    Steering Towards Cleaner Air: Measures to Mitigate Transport Air Pollution in Addis Ababa
    (World Bank, Washington, DC, 2021-09) Grutter, Jurg ; Jia, Wenyu ; Xie, Jian
    Air pollution, exacerbated by urbanization and motorization, is a growing concern in Addis Ababa and many other SSA cities. In Addis Ababa, air pollution from the urban transport sector is attributable to rapid motorization, an aging vehicle fleet, high sulfur fuels, lack of emission standards, and inadequate vehicle inspection and enforcement, calling for a shift towards integrated transport and air quality management. The report is one of the deliverables of the World Bank’s Advisory Services & Analytics program entitled “Ethiopia: Air Quality Management and Urban Mobility.” It aims to assess mitigation options for transport emissions for Addis Ababa (AA) in the Ethiopian context and recommend priority measures for short- and mid-term actions. The formulation of potential mitigation options builds upon a review of relevant development strategies and ongoing initiatives of the Federal and AA governments and development partners, the Ethiopian and international experiences, the results of Addis Ababa’s source apportionment study including vehicle emission inventory conducted for this ASA, and consultations with relevant stakeholders. A set of transport air pollution mitigation measures are assessed, prioritized and recommended for Addis Ababa.
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    Assessment of Farmer-Led Irrigation Development in Ghana
    (World Bank, Washington, DC, 2020) Dittoh, Saa
    Adequate agricultural production for food and nutrition security as well as better incomes for farmers and rural inhabitants represent key development objectives of many nations, and they are most crucial in Africa. Water is critical in food production, and its use now and in the future is a major determinant of whether the stated objective is achieved. Because of climate change and associated variability, dependence on rainfed food production is risky and unsustainable. There is a need for substantial increase in irrigated production, particularly farmer-led irrigation development (FLID), in Africa and especially in Ghana. This report consists of an assessment of FLID in Ghana as well as of associated business and financing models that can be pursued for its further development.
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    Transportation and Supply Chain Resilience in the United Republic of Tanzania: Assessing the Supply-Chain Impacts of Disaster-Induced Transportation Disruptions
    (World Bank, Washington, DC, 2019-06) Colon, Celian ; Hallegatte, Stephane ; Rozenberg, Julie
    The economy of the United Republic of Tanzania is growing fast but remains vulnerable to disasters, which are likely to worsen with climate change. Its transportation system, which mainly consist of roads, often get disrupted by floods. How could the resilience of the transportation infrastructures be improved? We formulate a new type of model, called DisruptSCT, which brings together the strength of two different approaches: network criticality analyses and input–output models. Using a variety of data, we spatially disaggregate production, consumption, and input–output relationships. Plugged into a dynamic agent-based model, these downscaled data allow us to simulate the disruption of transportation infrastructures, their direct impacts on firms, and how these impacts propagate along supply chains and lead to losses to households. These indirect losses generally affect people that are not directly hit by disasters. Their intensity nonlinearly increases with the duration of the initial disruption. Supply chains generate interdependencies that amplify disruptions for nonprimary products, such as processed food and manufacturing products. We identify bottlenecks in the network. But their criticality depends on the supply chain we are looking at. For instance, some infrastructures are critical to some agents, say international buyers, but of little use to others. Investment priorities vary with policy objectives, e.g., support health services, improve food security, promote trade competitiveness. Resilience-enhancing strategies can act on the supply side of transportation, by improving the quality of targeted infrastructure, developing alternative corridors, building capacity to accelerate post-disaster recovery. On the other hand, policies could also support coping mechanisms within supply chains, such as sourcing and inventory strategies. Our results help articulate these different policies and adapt them to specific contexts.