Water Papers

170 items available

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https://hdl.handle.net/10986/16997
Water Papers are produced by the Water Global Practice, taking up the work of the predecessor Water Unit, Transport, Water and ICT Department, Sustainable Development Vice Presidency.

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2020 - 202412017 - 20192
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Sustainable Development Goals: SDG 7: Affordable and Clean Energy × Sustainable Development Goals: SDG 13: Climate Action × Supported Language: en × Has files: true × Topic: Water Resources × Topic: Energy ×

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    Do National Visions and Climate Commitments across Sub-Saharan Africa Hold Water?: Africa Region Water and Climate Policy Note
    (Washington, DC: World Bank, 2024-05-30) de Waal, Dominick; Hamid, Mohamad Mahgoub
    Water management is foundational for development and climate adaptation. Investments in water not only improve health and wealth of nations but can also buffer the impacts of climate change. Sub-Saharan Africa (SSA) is the most vulnerable region to climate change impacts. This policy note examines national development vision documents and Nationally Determined Contributions (NDC) documents across SSA to: (1) review the extent to which water and water related climate priorities feature in them; (2) propose substantive improvements to the presentation of water and water related climate priorities; and, (3) identify practical ways water sector actors can engage in shaping national planning documents going forward. The analysis shows that water and water-related climate actions are not consistently included in either national vision documents or NDCs across SSA. Most country’s vision documents (91 percent) aimed to improve access to water supply and sanitation (WSS) but only half of the visions aimed to expand irrigation and hydropower. Water resources management (WRM), though referenced in two thirds of the visions was poorly defined and only very few cases described institutional mechanisms for managing water. Water adaptation measures featured in all SSA countries’ NDCs but were often generic in nature without clear indicators or targets. For example, early warning systems (EWS) were included in over two thirds of NDCs but only a few countries were specific about when or how EWS would be set up. WRM measures in NDCs were even less specific than those included in national visions. Water related mitigation measures in NDCs were less frequently included than adaptation measures. For example, only a quarter of NDCs mentioned improving energy efficiency in WSS and only one country set a specific target to reduce energy intensity. As vision documents and NDCs get revised there is a window of opportunity to ensure that water and its subsectors (WSS, irrigation, hydropower and WRM) are presented with clear indicators and targets. Half of the countries in SSA will revise their visons in the 2020s and NDCs are revised every 5 years.
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    The Water-Energy-Food Nexus in the Middle East and North Africa: Scenarios for a Sustainable Future
    (World Bank, Washington, DC, 2018-06) Jagerskog, Anders; Borgomeo, Edoardo; Talbi, Amal; Wijnen, Marcus; Hejazi, Mohamad; Miralles-Wilhelm, Fernando
    Water, energy, and agriculture have been conventionally dealt with separately in investment planning. For each of these sectors, regulatory frameworks, organizations, and infrastructures have been put in place to address sector-specific challenges and demands. As the Middle East and North Africa works towards building a more sustainable future, a nexus approach that considers the risks and synergies among these sectors is needed. To demonstrate the added value of a nexus approach, this report applies scenario analysis and integrated assessment modelling of the water-energy-food nexus to the Middle East and North Africa. The analysis finds that water scarcity increases in all countries in the region over the coming decades, mostly due to growing demands. More importantly, the analysis finds that many countries in the region could run out of fossil groundwater by 2050 unless measures to curb unsustainable abstraction are implemented. The impacts of growing scarcity on agriculture are significant, with production projected to drop by 60 by 2050 in some countries. On the upside, reducing the dependence of the agricultural and energy sectors on water and transitioning to renewable energies can reduce water scarcity, at the same time reducing greenhouse gas emissions. This report is targeted to policy makers, the academic community, and a wider global audience interested in exploring the interactions between water, agriculture, and energy.
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    Greenhouse Gases from Reservoirs Caused by Biogeochemical Processes
    (World Bank, Washington, DC, 2017-12) World Bank
    Reduction of greenhouse gas (GHG) emissions is fundamental to the mitigation of climate change. It has become increasingly important to estimate and report on GHG emissions to enable the implementation of mitigation measures to limit or reduce total emissions. In most cases, such estimation is fairly simple, using known emission factors per surface area or per produced energy unit. However, GHG emissions from reservoirs created for the purpose of electricity generation, water security, or flood protection are very difficult to estimate, and no single emission factor or formula can be applied. The purpose of this note is therefore to provide guidance to World Bank Group (WBG) staff on how to assess GHGs from reservoirs in preparation of dam infrastructure projects. The note discusses: (i) the major biogeochemical processes causing GHG emissions from reservoirs; (ii) the state of current knowledge, and (iii) recommendations for assessing GHG emissions caused by biogeochemical processes for planned reservoirs.