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Stakeholder perspectives on fostering the water-energy-food nexus in Jordan: lessons beyond agricultural water management

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Published 20 December 2024 © 2024 The Author(s). Published by IOP Publishing Ltd
, , Focus on the Water-Energy-Food Implications of Sustainable Irrigation Citation Abel Chemura et al 2025 Environ. Res.: Food Syst. 2 015009DOI 10.1088/2976-601X/ad992b

2976-601X/2/1/015009

Abstract

The water–energy–food (WEF) nexus is an integrated conceptual tool for achieving sustainable development especially for countries facing limitations in one or more of its three pillars. The approach relies on bringing different stakeholders from the water, food and energy sectors together to collaboratively plan and adopt a holistic approach to resources management. This enables them to address sector-specific issues and develop a comprehensive understanding of the connected sectors leading to better outcomes. However, WEF nexus implementation is currently in its infancy in many countries and stakeholders are in the process of learning how to effectively communicate and collaborate with each other. In this paper, we report the state of the WEF nexus in Jordan, a dry country grappling with water, energy and food production challenges in a changing climate. Stakeholders from line ministries, academics, private sector players and non-state actors were brought together to discuss the status of the WEF nexus and identify challenges that need to be overcome for full realization of the WEF nexus as an operational framework for integrated development at country level. Stakeholders identified 7 cardinal lessons in the process of WEF nexus implementation in Jordan. These are that (i) data/information sharing is vital (ii) WEF nexus requires funding, (iii) collaborations among actors is key, (iv) inclusivity in planning is necessary, (v) clear responsibilities and boundaries among stakeholders are needed, (vi) sustainability and cohesion are a must and (vii) building trust among and within organizations is a primary ingredient for success. A deeper understanding of the interrelated dynamics of these challenges is required to foster the WEF nexus in Jordan as the issues are grave but not insurmountable. It is therefore suggested that deliberate efforts are needed from a technical and policy angle to ensure full operationalization of the WEF nexus approach in Jordan and elsewhere.

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1. Introduction

The majority of the sustainable development goals are directly or indirectly linked to water, energy and food (Mugagga and Nabaasa 2016, Wang et al 2021). Therefore, the water–energy–food (WEF) nexus approach that delineates the intricate connections among these sectors, is recognized as an important cornerstone for achieving sustainable development (Biggs et al 2015, Simpson and Jewitt 2019). It has been recognized that insufficient comprehension of the WEF Nexus is a significant global economic challenge (Waughray 2011), with the Bonn conference stressing that applying the Nexus approach is an essential paradigm shift for development (Hoff 2011). The WEF Nexus approach arises from the grand challenges associated with ensuring universal access to water, energy, and food. The increasing global population, rapid economic growth, accelerated urbanization, and evolving lifestyles, have intensified the demand for these essential services in the face of multiple supply challenges.

The impacts of climate change and the degradation of natural resources are challenging the capacity to meet water, food and energy needs in many countries across the world and at various times. In response to this complex scenario, the WEF nexus approach has emerged as a novel management approach for integrated solutions to these challenges (Nhamo et al 2018, Zhang et al 2018). The goal of the nexus approach is to guarantee the sufficient and equitable provision of water, energy, and food to all while fostering the sustainable utilization of natural resources (D'Odorico et al 2018).

The WEF nexus serves as a strategic framework to address the intricate interconnections among these vital sectors, ensuring resilience in the face of growing challenges and promoting a holistic and sustainable approach to resource management (Hoff 2011). It recognizes that actions in one sector can have significant impacts on others and that integrated planning and management are therefore essential for sustainable development at various levels (Albrecht et al 2018, Mishra et al 2021).

The WEF nexus approach has now been regarded as the standard approach for a systematic and simultaneous dovetailing of governance approaches, technology and decarbonization across all related sectors (Pahl-Wostl et al 2018, Lazaro et al 2022). While this approach is promising, there are already many challenges in operationalization of the WEF nexus approach at local, regional and global levels (Yillia 2016, Liu et al 2017, Dargin et al 2019). The scale and impacts of these challenges are different within and between countries; therefore, understanding each country's status quo is required to ensure that the WEF nexus approach can reach its maximum potential. To achieve this, it is essential to implement comprehensive assessments tailored to each country's specific needs and conditions. The levels of maturity of WEF nexus varies across regions and countries. For example, high maturity of WEF nexus is observed in Europe and Australia, with strong policy frameworks and integration across sectors. Medium maturity is seen in North America, Latin America, and parts of Asia, where sectoral approaches are being augmented with Nexus thinking. Low to medium maturity is evident in Sub-Saharan Africa and Central Asia, where resource management is crucial but institutional and technical capacity constraints are limiting Nexus integration (Purwanto et al 2021, Orimoloye 2022, Apeh and Nwulu 2024). Jordan has recognized the importance of an integrated approach and has been working on policies and strategies considering the WEF Nexus (Government of Jordan 2022, Al-Addous et al 2023).

This paper aims to provide a scoping overview of the status, potential, and difficulties in implementing the WEF nexus approach for dryland countries with a specific focus on agriculture, using Jordan as a case study. Specifically, the objectives are to (i) understand the physical and policy landscape in Jordan regarding WEF nexus, (ii) draw experiences in WEF issues in a dryland country from various stakeholders, (iii) identify current and potential bottlenecks to achieving the full potential of WEF, (iv) and document lessons learned and share perspectives on moving forward in enhancing the WEF Nexus approach's contribution to sustainable development in the country. Jordan was selected as the focus of the study because of its limited natural resources and predominantly arid climate with minimal rainfall and high temperatures. Despite these challenges, it is a model peaceful country in the Middle East facing increasing pressures from changing climatic conditions, migration and conflicts in neighboring countries.

2. Methodological approach

Two approaches were used to characterize the status and stakeholder perspectives on WEF in Jordan (i) scoping the status of the water, energy, and food sectors from a narrative literature review and (ii) stakeholder perspective solicitation.

2.1. Scoping the status of WEF nexus in Jordan

The first part of the study is based on a narrative literature review of available documents on the characteristics of the country and the local status quo of the WEF nexus. A narrative review, which identifies, describes, and discusses the state-of-the-art of a specific topic or theme from a more theoretical and contextual point of view was used in this analysis (Rother 2007, Snyder 2019). This approach enables the summarizing or synthesizing of what has been written on a particular topic to appreciate the value of existing information, condition, or status independently from comparative analysis (Sylvester et al 2013, Mauer and Venecek 2022).

A narrative approach was selected for this review for three reasons (i) the majority of relevant WEF documents are in official government, private sector and non-state actors documents that are not indexed in common scientific databases (ii) WEF is a relatively new concept for the country and the region, and therefore is not yet readily available in context-specific ways for Jordan in databases and (iii) it was anticipated that important information on WEF-nexus in Jordan is in multiple languages specifically English and Arabic. A narrative reviews is therefore suitable for this task because it identifies and reviews broad published literature on a topic to capture a wide range of related subjects and intricacies without focusing on quantitative metrics, excluding other materials and/or weighing them by prevalence (Paré and Kitsiou 2017, Haddaway et al 2020). All published literature on the characteristics of the country, the status quo of the WEF sectors, and current challenges were scoped and analyzed to identify status and trends.

2.2. Stakeholder perspectives on WEF in Jordan

2.2.1. Stakeholder identification

For this study, a stakeholder is defined as a person whose work has a direct or indirect impact or connection, now or in the future, on the water, energy, and/or food/agriculture sectors in Jordan (Daher et al 2020, Rountree et al 2021). The stakeholders were brought together as part of a Nuffic-Orange Knowledge Program funded project on Earth Observation and Geoinformation Technologies to Foster Water-Energy-Food Nexus Interventions (NexusWatch). The stakeholders were selected by a theoretically based quota sample, with the intention of having a composition of people who could represent different key attributes and diversity. These include that they represented all three WEF sectors, had a balance in gender and age-groups, and had a good representation of the diverse roles and institutions in these sectors including state agencies, non-profit organizations, industry, the private sector, and academia (supplementary materials 1). There was a balance in the distribution of the stakeholders across the water, energy and food sectors (figure 1). The stakeholders were identified through peer and expert networks and were invited to participate collectively in a workshop identifying the challenges, opportunities, and sustainable pathways of WEF in the country to both identify individual and collective perspectives on WEF.

Figure 1. Refer to the following caption and surrounding text.

Figure 1. Distribution of stakeholders across the sectors.

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2.2.2. Soliciting stakeholder perspectives on WEF

Stakeholder perspectives were solicited from the stakeholders in a facilitated dialogue meeting conducted in Amman, Jordan in October 2023. The facilitator guided the discussion around the challenges and lessons learned in WEF implementation in the country and practical experiences and preferences were presented and noted. A facilitated discussion approach was decided because it did not constrain the responses and ensured a safe and open discussion. Stakeholders listed WEF challenges, ranked them using consensus and then described them in detail during the moderated discussion. The facilitator also sought as much as possible to generate a consensus on an issue and in cases where this was not possible, the majority opinion was used. The results of the analysis are structured around the Jordanian context, a scoping of the water, energy and food sectors, and key lessons learned in fostering WEF in the country.

3. Jordan country context

Jordan is located in the Middle East, bordered by Israel and the West Bank to the west, Syria to the north, Iraq to the northeast, and Saudi Arabia to the south and southeast. It also has a short coastline along the Red Sea to the south (figure 2). The capital city is Amman, and other major cities include Aqaba, Irbid, and Zarqa. Jordan has a diverse population, including a significant number from Syria, Palestine, Iraq, and Yemen (UNHCR 2024). The population is predominantly Arab, and the official language is Arabic. Jordan has a developing economy, with industries such as phosphate mining, agriculture, and services playing crucial roles, with the country being highly dependent on external aid (World Bank 2022).

Figure 2. Refer to the following caption and surrounding text.

Figure 2. Map showing the distribution of the administrative regions of Jordan. The insert shows the location of Jordan in the middle east.

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Jordan is classified as an upper middle-income country with a Gross National Income per capita of $4256 in 2021 for its 11 million population (Government of Jordan 2022). The population includes a significant number from conflict-affected areas in Syria, Palestine and Yemen, placing additional strain on the country's resources and infrastructure. The country has an area of 89 213 km2. The climate of Jordan ranges between desert and arid to Mediterranean climate with hot and dry summers and wet and cool winters. Land terrain has a great influence on the climatic regions of Jordan. The climate variation across the country is influenced by topography. The rainy season extends from around October to May with high amounts of seasonal rainfall occurring through the months of December to March (Al Qudah et al 2021).

Climate change is threatening to further exacerbate water scarcity issues in the country with cascading impacts on other sectors. Climate change impacts, including changes in water availability and extreme weather events, are considered within the WEF nexus framework. For example, many parts of the country are experiencing a negative trend in already low rainfall, increases in mean temperatures and number of hot days for a region that already has high temperatures (figure 3). Climate change adaptation and resilience strategies are integrated into overall planning (IPCC 2021).

Figure 3. Refer to the following caption and surrounding text.

Figure 3. Annual trends in climate indices for Jordan between 1981 and 2019. The Mann-Kendall test was used to determine the direction of the trend in each grid cell. Data from W5 × 105.

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Given Jordan's geographical location and shared environmental challenges with neighboring countries, international cooperation is essential in addressing the WEF nexus. This includes collaborative efforts on water management, environmental conservation, and food security (World Bank 2022). Key points related to the WEF Nexus in Jordan include water management, agriculture, and environmental sustainability. Jordan faces water scarcity issues, and more effective water management is crucial as almost three-quarters of the country is classified as deserts (Ministry of Water and Irrigation 2019, Qtaishat 2020). In few of the WEF-nexus assessments for Jordan, the focus has been on water poverty (Jemmali and Abu-Ghunmi 2016), the water-energy nexus (Al-Masri et al 2019), or the water-agriculture nexus (Talozi et al 2017) with limited studies on the interconnectedness of all the three pillars of the WEF nexus.

4. WEF sector status in Jordan

4.1. Water

Jordan is the second most water scarce country worldwide, with an annual per capita water availability of about 60 m3, which is well below the global average (5500 m3) and for Middle Eastern countries (480 m3) (Al-Ansari et al 2014, Hussein 2018, Ministry of Water and Irrigation 2023b). The country's renewable water supply currently only meets about two-thirds of the population's overall water needs, with the rest compensated by groundwater, which is being abstracted faster than it is being recharged (Al-Addous et al 2023). Agriculture is by far the largest user of both surface and groundwater, consuming 62% of surface water and 47% of groundwater in the country (table 1). Jordan's total water usage in 2022 was 1.1 billion m3, of this, 519 million m3 was allocated for domestic consumption, 537 million m3 for agricultural use, and 35.2 million m3 for industrial activities (Ministry of Water and Irrigation 2023a). The country's major surface water resources, the Jordan River and the Yarmouk River, are shared with Israel and Syria which leaves only a small amount for Jordan (Daoud et al 2022).

Table 1. Annual volume and percentage of water use by sector and source in Jordan for 2021 (Source: Ministry of Water and Irrigation 2023a). Water from desalination is insignificant at national level.

UseSurface water GroundwaterTreated waste waterTotal volume
Million m3% Million m3%Million m3%Million m3%
Domestic14146.07 37861.160 051947.57
Irrigation16152.61 21234.3164 9853749.2
Industry41.3 284.533.2 235.23.2
Total306100 618100167.21091.2100

The Disi Water Conveyance Project from the non-renewable Disi aquifer to the capital Amman, opened in July 2013, increases available resources by about 12% (Qtaishat 2020, Radaideh 2022). It is planned to bridge the remaining gap between demand and supply through increased use of reclaimed water and desalinated seawater (Daoud et al 2022, Zawahri 2023). Water scarcity impacts every aspect of Jordanian life, and it is one of the greatest challenges to economic growth and development. Water scarcity is even projected to increase due to the effects of climate change, which will result in lower and more erratic rainfall patterns and high temperatures, resulting in increased water scarcity impacts on crops and livestock (Al-Bakri et al 2013, Al Qatarneh et al 2018, Hussein 2018). The combined effects of climate change and population growth (including migration) is anticipated to put more pressure on limited land and water resources and to increase the challenge of sustainable development in Jordan.

Jordan's water sector is dealing with challenging matters that are closely related to aridity, the fast-growing population, and the geopolitical circumstances of the country. Al-Muqdadi et al (2021) describe the water situation in the country as dire and confounded by climate change and the conflicts in the region, which, apart from other things, increase pressure on infrastructure and the water supply system. In addition, water use is not efficient, and the high loss of water is also one of the other problems (Zawahri 2023). The water distribution network is deteriorating due to poor maintenance, leading to leakages and wastage (Government of Jordan 2022, Tawfik et al 2023, Zawahri 2023).

The water sector governance in Jordan is mainly organized across the different departments, and it is poor in collaborating well with other sectors and different stakeholders. Al-Masri et al (2019) highlighted the deficits in integrating WEF related policies and the importance of coherent and detailed policies which take into account the interconnections among the WEF sectors in Jordan. This split-up obstructs the achievement of sustainable water management practices. Financial constraints also prevent the enlargement of modern infrastructure and the further implementation of water-saving technology (Al-Masri et al 2019, Al-Muqdadi et al 2021).

4.2. Energy

The energy security is an important pillar for the sustainable development of Jordan. The primary energy sources for Jordan are imported oil (54%), natural gas (35%), and renewable energy (wind and solar, 7%) with the remainder coming from coal (2%) and coke (1%) (Ministry of Energy and Mineral Resources 2022). Of these sources, less than 10% is locally produced, mainly in terms of renewable energy, meaning that Jordan is reliant on imported energy (Jordan Strategy Forum 2023). Currently, the country still consumes about 9.6 million cubic meters of natural gas annually in generating electricity, an amount that is still supplemented further through a partnership and connection with the regional grids (Ministry of Energy and Mineral Resources 2022).

Jordan is also a node in the electrical connections of neighboring countries. Jordan's power demand is growing from two perspectives: economic growth in several sectors and population growth, both natural and through immigration from neighboring countries caused by regional instability (Abu-Rumman et al 2020). Jordan is on the path towards a clean-energy future through the promotion and adoption of renewable energy and green technologies across all sectors. Jordan's target is to have a 31% renewable energy share in its local electricity generation by 2030, with trends in the recent past showing growth in renewable energy supply in the country (figure 4). Much of the expected additional capacity will be solar PV. If the same capacity factor is maintained, an additional capacity of 3.35 GW must be installed on top of the current 2.58 GW. Jordan's electrified future is already visible if the sheer number of fully electric vehicles (EVs) flooding into the country is considered.

Figure 4. Refer to the following caption and surrounding text.

Figure 4. Jordan's renewable energy capacity growth (2015–2021) Data source: (Ministry of Energy and Mineral Resources 2022).

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There is a nationwide rush to meet the growing number of EVs by matching the infrastructure to the demand, both special electricity tariffs and countless charging points are either deployed or under development. Another tangible change is the number of technology deployment initiatives that distribute and install green and energy saving technologies across the country, such as renewably sourced rural electrification expansion, solar PV installations for town buildings, solar water heaters for residential areas, and a push to phase out costly inefficient technology in areas such as lighting.

4.3. Food

Jordan has a land area of around 8.9 million ha with three distinct and diverse agricultural climatic zones; the Jordan Valley, the Highlands, and the Eastern Desert. According to Jordan's Fourth National Communication on Climate Change, 2023, the agricultural area in Jordan is about 400 000 ha (4.5% of Jordan's land area). The irrigated area is very limited (96 000 ha), and the majority of arable land is rainfed, but the average rainfall is below 200 mm per year in 90% of Jordan's areas, which makes it one of the world's most water-deficient countries (Anbar et al 2020, Noria Research 2022, Tawfik et al 2023). Agricultural exports account for 25% of all Jordan's exports. Although agriculture encompasses food, industrial and non-food cash crops, for this discussion, the term agriculture is limited to food production.

A considerable quantity of the Jordanian production of fruits and vegetables is exported to high-end markets such as Western and Eastern Europe, as Jordan has a competitive advantage as a supplier of fresh fruits and vegetables (MoEnv 2020, El-Zubi and Shuaibi 2021). Tomatoes are the most important crop in terms of production quantity, followed by cucumber and gherkins, potatoes, olives and watermelons, completing the top five mostly produced crops (figure 5).

Figure 5. Refer to the following caption and surrounding text.

Figure 5. Trends and amounts of agricultural crops for the most important crops in Jordan between 2000 and 2022 (Data from FAOSTAT).The circle diameters and the color both represent production levels.

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From farmers to agri-food processors, retailers, and consumers, Jordan's rich and diverse agricultural system plays a critical role in the economy. It accounts for 5.6% of the gross domestic product, contributes to national food security (Ministry of Water and Irrigation 2019). Beyond the economy, however, the agriculture sector is a critical enabler of employment, rural development, and food security, as well as being a focus for addressing many of the environmental and climate change-related challenges facing the country. The government aims to improve the exportability of agricultural goods while at the same time coping with climate change and achieving sustainable development goals.

The agriculture sector has been growing and increasing its share with a variety of lucrative investment opportunities present in Jordan's agriculture sector (Al-Addous et al 2023). However, Jordan is still a substantial net importer of food, a situation that is unlikely to change any time soon because of a myriad of factors. Boosting farmers' productivity can help them leverage the food system, earn more money from what they grow, and meet the demand coming from cities for higher-value crops.

5. Interconnectedness of WEF sectors in Jordan

The water, energy and food sectors in Jordan are strongly interconnected and interdependent. In the water sector, Jordan faces severe water scarcity. The country traditionally relied heavily on the Jordan River, but its flow has significantly decreased over the years (Hammouri et al 2017, Abdulla et al 2018, Givati et al 2019). Jordan is highly dependent on energy imports, as it lacks significant domestic energy resources (Juaidi et al 2022). The country has been working on diversifying its energy mix, including investments in renewable energy sources like solar and wind power.

Finally, for food, Jordan faces challenges in food security due to limited arable land, water scarcity, and the need to import a substantial portion of its food (Shevah 2015). Agriculture is a significant consumer of water resources, and the country is exploring more water-efficient and sustainable agricultural practices. It was established that renewable energy appears to be an essential solution to enhance all the sectors combined. For example, it is imperative for Jordan to produce the quantities of energy needed to desalinate sea water and irrigate crops to ensure an adequate food supply for its population (Albatayneh et al 2022). For this reason, there are currently more than 50 brackish water desalination plants using reverse osmosis installed by farmers in the Jordan Valley for irrigation purposes with capacities of up to 2400 m3/d (Qtaishat et al 2017).

The interconnections between the water, energy, and food sectors can affect each other in many ways. Water is crucial for agriculture, which is the largest consumer of water in the country (Rasul and Sharma 2016, Purwanto et al 2021). At the same time, energy is required to pump, desalinate, and treat water, making the water sector highly dependent on energy. In turn, food production, particularly in the country, depends on water availability and affordable energy for irrigation and processing.

The energy sector relies on water for cooling and hydropower generation. For example, in Jordan, there is a hydropower plant at the King Talal dam on the Az Zarqa River and has a capacity of 5 MW. In addition, the head of the cooling water at the Aqaba thermal power station is also used to generate hydroelectric power. These two stations together generate over 60 GWh of electricity (0.4% of the electricity generated in the country) (Shatnawi et al 2021, Siam et al 2022). Biomass is another source of energy although it is not well developed (contributing 0.1% of the total energy). The country generates nearly 3 million tons of municipal solid waste annually, and this can be potentially used for energy production (Myyas et al 2023). Climate change affects all three sectors, with potential impacts on water availability, energy production, and agricultural productivity. The policy and management of the WEF in Jordan have different aspects.

Jordan has recognized the importance of an integrated approach and has been working on policies and strategies that consider the WEF nexus (Government of Jordan 2022). Examples of these policies include the Jordan National Water Strategy 2016–2025, Red Sea-Dead Sea Water Conveyance Project (Red-Dead Project), Sustainable Energy for Water Desalination, Jordan Renewable Energy and Energy Efficiency Fund for Agriculture, Scaling Solar-Powered Irrigation, Rehabilitation of Jordan's Agricultural Water Sector and the Disi Water Conveyance Project among others.

Efforts include promoting water and energy efficiency, sustainable agricultural practices, and renewable energy development. For example, there are designs for energy savings in water and wastewater treatment facilities (Salameh et al 2009, Alrbai et al 2024). There are many challenges that face WEF in Jordan. Balancing the competing demands of water, energy, and food while ensuring sustainability is complex. In addition, political and economic factors, as well as regional conflicts, can affect resource availability and management. In summary, the WEF Nexus approach in Jordan involves addressing the interconnected challenges of water scarcity, energy dependence, and food security. Considering the interdependencies among these vital sectors, integrated and sustainable solutions are crucial for the country's development.

6. Key lessons learned in fostering WEF nexus in Jordan

Form the stakeholders, seven key overarching lessons have been learned in fostering WEF nexus in Jordan. These are that (i) data/information sharing is vital, (ii) WEF nexus requires funding, (iii) collaborations among actors are key, (iv) inclusivity is necessary from design, (v) clear responsibilities and boundaries among stakeholders are needed, (vi) sustainability and cohesion are a must and (vii) building trust among and within organizations is a primary ingredient for a successful WEF nexus approach (figure 6). Each of these are described in more detail in the sections below.

Figure 6. Refer to the following caption and surrounding text.

Figure 6. Key lessons learned in fostering WEF nexus approach for sustainable development in Jordan as identified by stakeholders.

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6.1. Data/information sharing is vital

Data is essential for science-based informed decision making in all WEF sectors. Data availability means that data must be obtainable and accessible in its original form, whether numerical or categorical. However, it is currently extremely difficult across sectors to obtain the data necessary to carry out comprehensive assessments of threats to WEF security in Jordan. Some sectors or sub-sectors cannot collect adequate observations to document their WEF resources' current state or changes. Those who are collecting data seem not willing to share or distribute it with other sectors or experts for their use, even among government agencies and ministries in the country, let alone outside government or agencies. Those few who seem willing to share either charge a fee for official data or have ridiculous protocols, bureaucracy and red tape required to get the data from them, which is very exhausting and requires. This situation presents two concurrent tragedies; (i) data collection systems are inadequate and need to be upgraded or established and (ii) already collected data sharing is so constrained to be nearly impossible to access. These attitudes towards data exchange and attempts to limit their sharing suggest that more proactive initiatives and policies on data exchange and alternative observational systems need to be developed to avert a strategic knowledge gap.

The effective implementation of a WEF nexus approach relies heavily on robust data and information availability, sharing mechanisms, and further sustainability. Data collection comes at a cost, and probably cost-sharing mechanisms for data collection are necessary, but these can be mutually offset as each sector requires data. Types of data can be categorized into water data, food and agriculture data, energy data, and cross-cutting or integrated data. The required water data includes water availability and sources, water demand and consumption, water quality, water infrastructure and trends in these variables. For energy, data on production, consumption, efficiency, energy security, availability and sustainability. In the food sector, the required information pertains to agricultural land use, crop and livestock production, supply chains, and food quality. Cross-cutting or integrated data include data on climate parameters, socioeconomic data, technology development and deployment, economic indicators and policy frameworks.

Earth observation data is crucial in fostering the WEF nexus approach by providing comprehensive, timely, and accurate information that helps integrate and manage these interdependent resources effectively. Earth observation data is useful in WEF initiatives for monitoring and assessment of quantity and quality of water, agriculture and energy resources. It also allows data to be seamlessly integrated across the water, energy, and food sectors in the country for decision-making. For example, it can be used to analyze the impacts of water usage in agriculture on energy consumption or the effects of energy production on water and food resources. Earth observation data also forms an important part as input for modeling and simulation necessary for decision support for policy making, risk management, resource allocation and response.

6.2. WEF nexus requires funding

Among the most limiting factors to achieving interlinkages in the water, energy and food sectors in the Jordan is limited funding resources for a WEF nexus approach. While investments in the WEF sectors have been increasing over the past years, there still remain financial gaps in managing the often-limited resources in an integrated manner. As in other countries, budgeting and resource allocation is centralized and facing increasing pressures from other economic sectors. As it stands, there are many projects planned for implementation in the separate water, energy and agriculture sectors of the country. For example, for the water sector the planned Aqaba-Amman Conveyor project, which is crucial for boosting Jordan's water supply, will impose a substantial financial burden. Renewable energy (solar and wind) expansion in rural areas in conjunction with private sector players will also cost substantial investment. In the same manner, there are many capital projects on enhancing and new schemes for fish farming, fruit production, mushroom production, and the cultivation of new agricultural commodities to meet increasing demand and markets.

While these individual sector projects are important and budgeted for using various financial resources, there is a general lack of funding for collaboration projects among the sectors. For example, from the national planning and fiscal funding, there are hardly any allocations for nexus planning and implementation across sectors. The ministerial/sector allocations are not sufficient to cover needs for the sectors and therefore, there are no further resources that can be allocated for cross-sectoral engagement, planning and implementation. Thus, funding for cross-sectoral implementation is therefore limited and a hindrance to achieving a viable WEF nexus approach. In this regard, dedicated funding is an important pillar for implementation in Jordan.

6.3. Collaborations among actors are key

The current sector ecosystem lacks collaboration across players in the country in order to build an integrated approach to water, energy and food security. Many factors explain the lack of collaboration between partners in the WEF sectors. One of them is the lack of multi-disciplinary training in staff in line ministries, private sector workers and other stakeholders. Therefore, it is difficult for a water engineer to think along the lines of an agriculture specialist or electrical engineer. For many years people have been trained in specific disciplines and they carry their routines for the rest of their working lives according to their line training. It therefore becomes difficult to foster collaboration and cross-sector discourse between sectors due to a lack of understanding of each other as individuals, organizations and ministries continue to work in silos.

Secondly, there is a lack of a national WEF nexus platform to enhance stakeholder engagement and discussions on WEF nexus issues. Such a platform is necessary to build an understanding among people working in different sectors, appreciating each other's work and identifying potential areas of entry in each other's sector for national good. Thirdly, there is a lack of collaboration because the full understanding of the dynamic relationships between the entire WEF nexus sectors is limited, especially at regional and national scales. Thus, a new conceptual approach and a paradigm shift is required to foster collective working across WEF sectors.

Finally, many approaches and models used by WEF sectors have been developed for specific disciplines. Examples include hydrological models, crop models, climate models, econometric models, energy models, and biodiversity models. It takes considerable time and effort for people to master the specific uses of these models. Therefore, expecting that other non-specialist users will understand and apply them is an over stretch. It is therefore only through inter-sectoral collaboration that model coupling across sectors can be made possible with backward and forward linkages.

6.4. Clear responsibilities and boundaries among stakeholders are needed

One of the key requirements for operationalization of the WEF nexus approach in Jordan is to have clear responsibilities and awareness about these responsibilities. This entails clearly specifying who is doing what and with whom. This enables the individual parts to work together to achieve common goals in Jordan and the region. However, the individual mandates at the ministerial/department/agency/company level are clearly defined and fairly understood, but the responsibilities in the broader framework of WEF are not clearly defined or understood. This is especially regarding what needs to be done beyond the current responsibilities. The concept of WEF is in its nascent phase; therefore, many aspects are not yet clearly understood by the sector players, limiting effectiveness and impact of these sectors on development. Therefore, clearly defining roles and responsibilities within WEF is fundamental to operationalize it.

6.5. Sustainability and cohesion of activities and initiatives is essential

Implementation of WEF activities in most cases follows project-based implementation and once the project is completed, there is no follow-up or uptake of the established systems to ensure sustainability. It is imperative that WEF activities be mainstreamed in local, regional and national development planning so that design and implementation can be sustained beyond the project periods. This requires capacity building, strong frameworks for continuity and long-term thinking beyond the 3–5 years usual project periods. Actors are also working in silos implementing scattered projects across the country and in some cases duplicating activities and services. In this regard, to truly benefit from WEF nexus initiatives, sustainability thinking and cohesion of efforts in both planning and implementing WEF programs are absolutely vital for impact.

6.6. Building trust among and within organizations is a primary ingredient for a successful WEF nexus approach

Related to the lack of collaboration and limited understanding, mistrust between and among players in the WEF sector is breeding. There are many justified reasons for mistrust to limit cooperation among players in WEF. One of the key reasons is the rent-seeking setup among players, where organizations only see each other as potential clients and not as partners. For example, water sector players may see people in agriculture as clients that pay water abstraction tariffs, and energy sector players see those in agriculture as customers of energy and agriculture players consider both energy and water sectors as value chain suppliers for their business.

The backward and forward linkages beyond these supplier-client relationships are difficult to foster as the other always feels exploited by the other, and any attempts to build relationships are considered avenues to expand extractive opportunities. While this is rife between and among private sector players in Jordan that seek to maximize returns, this also happens in public sector agencies and utilities. Thus, the long road of building trust among and within the organizations is therefore needed to achieve the WEF nexus in the country.

6.7. Inclusivity is necessary for WEF project design

As a key sustainable development facet, WEF sectors are a mirror of society and therefore, the reality is that many marginalized groups bear the brunt of inaccessibility to both services and wheels of power. These marginalized individuals and groups do not have a voice or agency regarding WEF issues. Exclusion happens on the facets of their identity such as ethnicity, social status, gender, and/or disability status, increasing their obstacles to access and decision making. For example, women and other marginalized groups are absent from decision-making roles in WEF sectors in Jordan. Thus, the management of water, energy and food sectors can be conduits of exclusion and disparity. This is especially interesting for Jordan, a country with a significant number of refugees from regional strife and conflict. These may represent an important pool of talent in managing water, energy and agriculture, but they find themselves in the unfortunate circumstances of being excluded. It is critical for WEF success that all voices are heard, listened to, and respected, as this is the first step towards building trust.

While stakeholders may have different perspectives, values, or priorities on WEF issues, they can still work together towards a common goal. The lack of inclusivity is rooted in the fact that WEF governance and institutions, processes, and practices at all scales involve multistakeholder dialogue that then reflects on societal order and limits the ability to understand underrepresented communities. Inclusivity holds so much potential to unlock impact of WEF for widespread and prolonged impact for sustainable development in Jordan.

7. Discussion

In this paper, we described the status, experiences and lessons learned in fostering the WEF approach in Jordan to highlight the focus areas and themes for Jordan and countries on a similar path. We draw these from a pool of diverse stakeholders working in various sectors being representative of the WEF landscape in Jordan. Collecting such information on experiences and views is imperative for a more integrated approach to sustainable development as envisioned in the WEF nexus approach. With such insights, the WEF stakeholders in Jordan, the region and elsewhere can possibly understand and ultimately find each other by addressing the observed issues that limit current practices.

We observe that many stakeholders are involved in the WEF nexus approach in Jordan. These go beyond the sector-specific government ministries and agencies to the private sector, academia, non-governmental organizations, and individual farmers, among other cross-sectoral players. These diverse stakeholders bring to WEF nexus vast cumulative experiences and a plethora of often divergent interests and perspectives. This is not surprising and somewhat expected as finding convergence for such a wide range of stakeholders can be daunting, as already reported elsewhere (Markantonis et al 2019, Daher et al 2020, Sušnik and Staddon 2022). While this can be challenging, we posit that understanding these dynamics provides for the development of counter-strategies for engaging public, private and civil society stakeholders in WEF nexus decision-making processes (Ghodsvali et al 2019, Kipruto 2024). Therefore, from an implementation perspective, as proposed by Warner (2005), boundaries between use, functions, disciplines, experts and lay people need to be torn down, while administrative boundaries must give way to unified management of resources for integrated management to be successful.

We also find that fostering the WEF nexus in Jordan could be more complicated because of many geographic and historical factors, which may not be an issue in other countries or regions. For example, Jordan is a very arid country with limited water resources against rising demand (Radaideh 2022, Ramirez et al 2022), and therefore every drop counts. Consequently, the demand for water far exceeds the current supply for agriculture, domestic use, industry and others (Ministry of Water and Irrigation 2019). Key agricultural areas such as the Jordanoften face water shortages for crop production with downstream impacts on food security, employment, export earning and other aspects of the agricultural value chain. There is increasing reliance on non-renewable groundwater resources (Al-Omari et al 2015, Odeh 2019). The implications of water management therefore, extend beyond agricultural production and cascade down the economy. This could be different from water-abundant tropical countries where availability is not limiting to sectoral development, but other aspects such as climate change, quality, or distribution are an issue (Nhamo et al 2018, Botai et al 2021).

The lessons learned from the challenges in fostering WEF are certainly not peculiar to Jordan but perverse in many countries aiming for sustainable development. For example, Verhagen et al (2021) have showed that in the eastern Nile Basin, conventional resource management involve very limited data and information sharing among stakeholders and yet coordinating WEF resources regionally by sharing river flow data and trade information can increase economic returns by over 15%. Some of the data sharing challenges identified in WEF identified by McCarl et al (2017), such as proprietary interests, scale differences in analysis, model requirements, representation of unexplored possibilities, assembly cost and representation of stochastic variation, with visualization are also rife in Jordan. The 'silos' approach to water issues is also perverse in many other countries (Mabhaudhi et al 2018, Markantonis et al 2019).

Similarly, lack of limited funding resources (Sušnik and Staddon 2022), inadequate or lack of collaborations (Pahl-Wostl 2019, Kipruto 2024), lack of clear responsibilities/awareness and unspecific terms of references (Yillia 2016, Liu et al 2017), sustainability/scattered activities and initiatives (Pahl-Wostl 2019), mistrust among and within organizations (Daher et al 2020, Kipruto 2024), lack of inclusivity (Villamor et al 2020, Imburgia 2024) are also common challenges for sustainable development. While these are significant challenges to achieving WEF targets, they are not insurmountable, as Jordan is on a path to sustainable development. Olawuyi and Oche (2022), looking at a case in West Africa, reported many bottlenecks to investment and funding the WEF nexus approach. Similarly, the funding issue has been discussed with suggestions to tap into global funding for WEF in South Africa (Mabhaudhi et al 2018) and in Central and South Asia (Akram et al 2024).

Future studies focusing on WEF challenges in other regions of the world are encouraged. Among many other things, these should consider tailored assessments of data collection mechanisms, stakeholder engagement, and policy and regulatory frameworks. Comparative studies on capacity building initiatives, technologies and innovative solutions, international collaborations and monitoring and evaluation systems to track the progress of WEF initiatives are needed. These are important in order to address the unique conditions in regions and fully realize the WEF concept, which will contribute to sustainable development and resilience. Thus, fostering WEF in Jordan should be considered beyond securing water for agriculture but as a framework for the sustainable socio-economic development of the country. While attempts were made to ensure all key stakeholders were represented in this study, there were still some groups that might not have been represented in the study. Future studies can therefore, extend the scope of the study to include those.

8. Conclusions

In this paper, the characteristics of Jordan that make it special regarding fostering proper water, energy and agricultural water management is provided. The status of the water, energy and food sectors are described with potential, and opportunities are identified in all of them amid growing internal and external challenges. We conclude that with the challenges that Jordan is facing, an integrated approach to the management of water, energy and food resources across all levels of government that is in sync with local and international partners is needed. Such a framework should play alongside investment in technology, infrastructure development, and capacity building, especially for arid and resource limited countries such as Jordan, where a fall in one of the pillars of WEF affects other sectors. Therefore, the WEF framework can and should be applied beyond the narrow scope of agricultural water management to realize the full benefits. This is especially so in the context of climate change and other anthropogenic challenges that increase pressure on water, energy and food resources.

Acknowledgment

The authors are grateful to the Orange Knowledge Program of the Netherlands Ministry of Foreign Affairs and Nuffic for funding this work under the TMT+ project entitled "Earth Observation and Geoinformation Technologies to Foster Water-Energy-Food Nexus Interventions (NexusWatch). The authors are grateful to University of Jordan for organising the workshop.

Data availability statement

All data that support the findings of this study are included within the article (and any supplementary information files).

Conflict of interest

The authors declare that they have no known competing financial interests or personal relationships that could have influenced the work reported in this study.

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