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The Doyogena climate-smart landscape in Southern Ethiopia. Photo by O. Bonilla-Findji/CCAFS.
Water, energy, food, forests, and biodiversity systems are strongly interconnected and are critical to rural livelihoods and food and nutrition security. These systems are under extreme stress from climate change and other human-induced pressures.
This stress is particularly pronounced in South Asia’s breadbasket basins, where groundwater abstraction, climate change, deforestation, biodiversity loss, and poor policies put 8% of the world’s food production at risk, with potentially devastating impacts for more than 2 billion people. Similarly, glacial retreat, changing hydrological and ecological regimes, unsustainable water withdrawals, and fossil fuel reliance profoundly impact Central Asia’s future. East Africa’s rapidly growing population faces increasing food insecurity due to climate change and low yields, lack of irrigation, and limited energy access.
National and regional institutions fail to account for the integrated nature of water, energy, food, forests, and biodiversity systems, and cross-sectoral feedbacks, including tradeoffs and synergies. Women, girls, and other vulnerable groups face the greatest adverse consequences from this degradation.
This Initiative aims to realize gains across water, energy, food, forests, and biodiversity systems in three selected regions by co-generating a series of outputs via four work packages and a cross-cutting capacity development program.
This will be achieved by:
- Co-developing and scaling at least six water-energy-food-forest-biodiversity nexus innovations focused on increased resource use efficiency and strengthened ecosystem functions.
- Developing evidence and approaches for improved water productivity using a systems approach that considers all water users in two focal basins.
- Energizing food systems equitably and sustainably with at least four innovations in close collaboration with private energy and other water-energy-food-forest-biodiversity actors.
- Strengthening governance across water, energy, food, forests and biodiversity systems, including at least five social learning, citizen-science, or multi-stakeholder platform mechanisms.
- Supporting a capacity development program and building on partnerships that will unlock cross-sectoral gains in these interconnected systems and directly support investments.
Proposed 3-year outcomes include:
- Actors increase water, energy, and food and nutrition security and environmental sustainability through scaling prioritized innovations in focal regions based on nexus gains data, tools, institutions, and innovations.
- Actors in focal basins are enabled to significantly improve water productivity across scales.
- Actors use scalable business models to accelerate rural energy access for more sustainable and equitable food systems in at least three target basins.
- Policymakers and communities are enabled to develop more inclusive nexus institutions through knowledge products, practical learning tools and guidelines, and science-policy dialogues.
- Actors have increased capacity to identify, assess, and act on nexus tradeoffs and synergies and to lead implementation.
Environmental health & biodiversity
Strengthened ecosystem functions and greater resource use efficiency through scaling water-energy-food-forest-biodiversity nexus innovations support resource conservation and land restoration and reduce water pollution. A 10% improvement over business-as-usual trajectories in biodiversity, consumptive water use, and deforestation in the focal basins.
Nutrition, health, & food security
Thirty million people access sustainable healthy diets via lower prices and higher incomes from irrigated crops and renewable energy supporting perishable and reducing postharvest losses.
Poverty reduction, livelihoods & jobs
Rural poverty of about 5 million farm households reduced and labor absorbed in agro-processing and irrigated farms through 1) expanded horticultural crop irrigation, higher dry-season incomes and employment, and 2) increased rural energy access generating rural incomes and jobs.
Gender equality, youth, and social inclusion
Approximately 2 million youth and 2 million rural women access irrigation and energy benefit streams. Reduction in women’s time-burden to collect water through 1) improved water access, 2) reduced water competition, and 3) improved energy access, supporting wellbeing; and new jobs for youth in renewable energy and agro-processing.
Climate adaptation and mitigation
Reduced fossil energy intensity in South and Central Asian agriculture and increased access to renewable energy in East Africa reduce greenhouse gas emissions of agricultural output by 5% over baseline. Climate-smart water-energy-food-forest-biodiversity nexus innovations reach 5 million farm households, increasing adaptive capacity. Nexus planning stimulates investments of at least US$5 billion.
Watch here: Nexus Gains: Realizing multiple benefits across the water–energy–food–ecosystems nexus
Watch here: Launch of the NEXUS Gains Initiative for the Ganges Basin for Nepal
Click here for updates on Exploring the water, energy, food, and ecosystems nexus in the Ganges Basin
Download the preliminary outline here.
Read the article here.
Find more informaiton on the project website.