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The Water-Energy-Food Nexus in the Asia-Pacific Ring of Fire

Synergies and tradeoffs among water, energy use, and food production should be considered by stakeholders and decision-makers looking to maximize the benefit from each resource

UHERO’s Project Environment is working with an interdisciplinary team at the Research Institute of Humanity and Nature (RIHN) examining “Human-Environmental Security in Asia-Pacific Ring of Fire: Water-Energy-Food Nexus." Our objective was to design research frameworks for conducting water-energy-food economic analyses for three study sites in Japan: Obama, Beppu, and Otsuchi. Synergies and tradeoffs among water, energy use, and food production should be considered by stakeholders and decision-makers looking to maximize the benefit from each resource. Economics can help to identify these tradeoffs by quantifying the benefits and costs of water, energy, and food-related projects over long planning horizons, as well as by optimizing allocations of these resources over multiple uses. We developed frameworks for economic analysis of the water-energy–food nexus using examples from three case studies in Japan: water allocation over multiple uses in Obama, renewable energy production in Beppu, and construction of a dike in Otsuchi. Each of these case studies involves choices that will affect inherent linkages between water, energy, and food in each system. Failing to recognize these tradeoffs can result in sub-optimal allocation of resources with respect to the economy, the ecology, society and culture.

Supported by: Research Institute for Humanity and Nature

 

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