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Estimating Excess Mortality Due to Climate Change: A Multi-Country Collaborative Study in Environmental Epidemiology

Research Project

Project/Area Number 19H03900
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 58030:Hygiene and public health-related: excluding laboratory approach
Research InstitutionThe University of Tokyo

Principal Investigator

Hashizume Masahiro  東京大学, 大学院医学系研究科(医学部), 教授 (30448500)

Co-Investigator(Kenkyū-buntansha) 金 允姫  東京大学, 大学院医学系研究科(医学部), 准教授 (40746020)
小野塚 大介  京都府立医科大学, 医学(系)研究科(研究院), 講師 (50446829)
ウン クリス・フック・シェン  東京大学, 大学院医学系研究科(医学部), 准教授 (70620409)
Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥15,990,000 (Direct Cost: ¥12,300,000、Indirect Cost: ¥3,690,000)
Fiscal Year 2021: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2020: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2019: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
Keywords気候変動 / 環境疫学 / 過剰死亡 / 下痢症 / 温暖化 / 時系列解析 / 地球温暖化 / グローバルヘルス / 適応 / 大気汚染
Outline of Research at the Start

温暖化による将来の過剰死亡数をより現実的に推定するために必須となる4項目(① 適応予測、②大気汚染交互作用予測、③ヒートアイランド現象影響予測、④下痢症予測)の疫学的予測モデルの開発をおこない、今世紀末までの温暖化による過剰死亡数を推定することを目的とする。まず日本のデータを用いて、暑熱の影響(heat effect)に対する適応レベル、大気汚染交互作用、ヒートアイランドの影響を調べ、その結果を予測モデルに組み込むことにより今世紀末における過剰死亡を推定する。その上で日本のデータ解析で得られた知見をもとに、世界の主要都市における今世紀末の過剰死亡を推定する。

Outline of Final Research Achievements

We investigated the extent to which human populations can adapt to temperature rise due to climate change using historical temperature and mortality data. The results indicated that annual average temperature and household air conditioning prevalence reduced mortality risk due to heat. Furthermore, using data from the Tokyo metropolitan area, we elucidated the extent to which temperature rise, induced by the urban heat island effect, amplifies the risk of heat-related mortality. Additionally, we developed a model to quantify the interaction between air pollutant concentrations and temperature in relation to mortality. Furthermore, it was revealed that excess mortality due to gastrointestinal infections until the end of this century will predominantly affect sub-Saharan Africa and South Asia.

Academic Significance and Societal Importance of the Research Achievements

本研究では、気候変動により将来発生する過剰死亡数の推定をより現実的なものにするために必須となる、1)気温上昇に対する人間集団の適応予測モデル開発、2)気温上昇による暑熱影響と光化学オキシダント濃度上昇の交互作用予測モデル開発、3)都市におけるヒートアイランド現象の影響予測モデル開発、4)将来の感染症流行予測モデル開発を行った。推定される超過死亡をもとに政策担当者が適切な適応策を検討するためのエビデンスの提供につながることが期待される。

Report

(4 results)
  • 2022 Final Research Report ( PDF )
  • 2021 Annual Research Report
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • Research Products

    (18 results)

All 2023 2022 2021 2019 Other

All Int'l Joint Research (5 results) Journal Article (10 results) (of which Int'l Joint Research: 6 results,  Peer Reviewed: 7 results,  Open Access: 6 results) Presentation (3 results) (of which Int'l Joint Research: 2 results,  Invited: 1 results)

  • [Int'l Joint Research] ロンドン大学/ハーバード大学/モナッシュ大学(英国)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] ロンドン大学(英国)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] ロンドン大学(英国)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] ソウル大学/韓国先端科学研究所(KAIST)(韓国)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] 復旦大学(中国)

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Ambient temperature and nervous system diseases-related mortality in Japan from 2010 to 2019: A time-stratified case-crossover analysis2023

    • Author(s)
      Lin Szu Yu、Ng Chris Fook Sheng、Kim Yoonhee、Htay Zin Wai、Cao Alton Quan、Pan Rui、Hashizume Masahiro
    • Journal Title

      Science of The Total Environment

      Volume: 867 Pages: 161464-161464

    • DOI

      10.1016/j.scitotenv.2023.161464

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Projecting Temperature-Attributable Mortality and Hospital Admissions due to Enteric Infections in the Philippines2022

    • Author(s)
      Chua Paul L.C.、Ng Chris Fook Sheng、Madaniyazi Lina、Seposo Xerxes、Salazar Miguel Antonio、Huber Veronika、Hashizume Masahiro
    • Journal Title

      Environmental Health Perspectives

      Volume: 130 Issue: 2 Pages: 27011-27011

    • DOI

      10.1289/ehp9324

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Association between daily ambient temperature and drug overdose in Tokyo: a time-series study2022

    • Author(s)
      Roy Ananya、Alam Md Ashraful、Kim Yoonhee、Hashizume Masahiro
    • Journal Title

      Environmental Health and Preventive Medicine

      Volume: 27 Issue: 0 Pages: 36-36

    • DOI

      10.1265/ehpm.21-00044

    • ISSN
      1342-078X, 1347-4715
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Global projections of temperature-attributable mortality due to enteric infections: a modelling study2021

    • Author(s)
      Chua Paul L C、Huber Veronika、Ng Chris Fook Sheng、Seposo Xerxes T、Madaniyazi Lina、Hales Simon、Woodward Alistair、Hashizume Masahiro
    • Journal Title

      The Lancet Planetary Health

      Volume: 5 Issue: 7 Pages: e436-e445

    • DOI

      10.1016/s2542-5196(21)00152-2

    • NAID

      120007172293

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 【気候変動による日常生活や健康への影響を考える】公衆衛生分野における気候変動の影響と適応策2021

    • Author(s)
      橋爪真弘
    • Journal Title

      保健医療科学

      Volume: 69 Pages: 403-411

    • Related Report
      2020 Annual Research Report
    • Open Access
  • [Journal Article] 【プラネタリー・ヘルス(地球の健康)という新たな視座】環境問題とヒトの健康2021

    • Author(s)
      橋爪真弘
    • Journal Title

      保健の科学

      Volume: 63 Pages: 464-468

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Modeling Future Projections of Temperature-Related Excess Morbidity due to Infectious Gastroenteritis under Climate Change Conditions in Japan2019

    • Author(s)
      Onozuka Daisuke、Gasparrini Antonio、Sera Francesco、Hashizume Masahiro、Honda Yasushi
    • Journal Title

      Environmental Health Perspectives

      Volume: 127 Issue: 7 Pages: 077006-077006

    • DOI

      10.1289/ehp4731

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Future projections of temperature-related excess out-of-hospital cardiac arrest under climate change scenarios in Japan2019

    • Author(s)
      Onozuka Daisuke、Gasparrini Antonio、Sera Francesco、Hashizume Masahiro、Honda Yasushi
    • Journal Title

      Science of The Total Environment

      Volume: 682 Pages: 333-339

    • DOI

      10.1016/j.scitotenv.2019.05.196

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Predicted temperature-increase-induced global health burden and its regional variability.2019

    • Author(s)
      Lee JY, Kim H, Gasparrini A, Armstrong B, Bell ML, ...Hashizume M, et al.
    • Journal Title

      Environ Int.

      Volume: 131 Pages: 105027-105027

    • DOI

      10.1016/j.envint.2019.105027

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] How urban characteristics affect vulnerability to heat and cold: a multi-country analysis2019

    • Author(s)
      Sera Francesco、Armstrong Ben、Tobias Aurelio、...Hashizume Masahiro et al.
    • Journal Title

      International Journal of Epidemiology

      Volume: 48 Issue: 4 Pages: 1101-1112

    • DOI

      10.1093/ije/dyz008

    • Related Report
      2019 Annual Research Report
    • Open Access / Int'l Joint Research
  • [Presentation] Covid-19パンデミックと気候変動2021

    • Author(s)
      橋爪真弘
    • Organizer
      第80 回日本公衆衛生学会総会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Climate Change and health impact2021

    • Author(s)
      Masahiro Hashizume
    • Organizer
      MySEE 2022 Asia Pacific Regional Conference on Climate Change & Public Health
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Applicability of hospital admissions as proxy for climate change diarrheal mortality projections2019

    • Author(s)
      Paul Lester Chua, Chris Fook Sheng Ng, Adovich Rivera, Masahiro Hashizume
    • Organizer
      31st Conference of the International Society for Environmental Epidemiology
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research

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Published: 2019-04-18   Modified: 2024-01-30  

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