| Project/Area Number |
20K20031
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| Research Category |
Grant-in-Aid for Early-Career Scientists
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| Allocation Type | Multi-year Fund |
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| Review Section |
Basic Section 64060:Environmental policy and social systems-related
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| Research Institution | Japan International Research Center for Agricultural Sciences (2021-2022)
National Institute for Environmental Studies (2020) |
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Principal Investigator |
Wu Wenchao 国立研究開発法人国際農林水産業研究センター, 社会科学領域, 研究員 (50868693)
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| Project Period (FY) |
2020-04-01 – 2023-03-31
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| Project Status |
Completed (Fiscal Year 2022)
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| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2022: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2021: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2020: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | climate change / hidden hunger / nutrient deficiency / climate mitigation / Climate change / micronutrients / nutrition security / CO2 concentration / nutrients / inequality / human health / economic cost |
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| Outline of Research at the Start |
This research evaluates the global health and economic consequence of climate change and mitigation on hidden hunger (micronutrient deficiency) and provides complementary policies to alleviate its adverse effects for the achievement of multiple sustainable development goals.
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| Outline of Final Research Achievements |
This study revealed that elevated carbon dioxide level under future emission could impose substantial risk to nutrient deficiency, particularly for micronutrients, including protein, iron, and zinc. In the high CO2 concentration scenario, the percentage of population under protein, iron, and zinc deficiency will increase. In addition, the impact has distributional effect. Population in the low income class tend to suffer higher nutritional loss compared to the high income class. Meanwhile, stringent climate mitigation policy could also increase the risk of nutrient deficiency due to higher food prices and lower income. Simulation anslysis shows that dietary change (i.e., replacing certain of ruminant meat with fish) could alleviate nutrient deficiency and contribute to climate mitigation.
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| Academic Significance and Societal Importance of the Research Achievements |
本研究は、大気中の二酸化炭素の上昇と気候変動が、人間の栄養状態、特に微量栄養素の欠乏に広く影響を与えていることを明らかにした。また、二酸化炭素の排出が栄養に及ぼす不平等な問題も示した。したがって、SDGsの飢餓ゼロの目標を達成するために、対策を実施する必要がある。
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