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  • Does Global Warming Worsen Poverty and Inequality ? An Updated Review (anglais)

    This paper offers an updated and comprehensive review of recent studies on the impact of climate change, particularly global warming, on poverty and inequality, paying special attention to data sources...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10697 Date du document: 8 février 2024 Mode de publication: Disclosed Auteur: Dang,Hai-Anh H.,Hallegatte,Stephane,Trinh,Trong-Anh

  • Within Reach : Navigating the Political Economy of Decarbonization (anglais)

    This book sets out why climate policies are successfully adopted in some cases butmeet substantial opposition in others. Guided by the 4i Framework—covering four keycomponents of the political economy:...

    Type de document: Publication Numéro du rapport: 186809 Date du document: 6 janvier 2024 Mode de publication: Disclosed Auteur: Hallegatte,Stephane,Godinho,Catrina Laura,Maruyama Rentschler,Jun Erik,Avner,Paolo,Dorband,Ira Irina,Knudsen,Camilla,Lemke,Jana Franziska,Penny Mealy

  • Counting People Exposed to, Vulnerable to, or at High Risk From Climate Shocks — A Methodology (anglais)

    Based on global datasets, 4.5 billion people were exposed to extreme weather events (flood, drought, cyclone, or heatwave) in 2019, an increase from 4 billion in 2010. Among exposed people in 2019, 2.3...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10619 Date du document: 29 novembre 2023 Mode de publication: Disclosed Auteur: Doan,Miki Khanh,Hill,Ruth,Hallegatte,Stephane,Corral Rodas,Paul Andres,Brunckhorst,Ben James,Nguyen,Minh,Freije-Rodriguez,Samuel,Naikal,Esther G.

  • Measuring Total Carbon Pricing (anglais)

    While countries increasingly commit to pricing greenhouse gases directly through carbon taxes or emissions trading systems, indirect forms of carbon pricing—such as fuel excise taxes and fuel subsidy reforms—remain...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10486 Date du document: 15 juin 2023 Mode de publication: Disclosed Auteur: Agnolucci,Paolo,Fischer,Carolyn,Heine,Dirk,Montes De Oca Leon,Mariza,Pryor,Joseph Dixon Callisto,Hallegatte,Stephane

  • The Macroeconomic Implications of a Transition to Zero Net Emissions : A Modeling Framework (anglais)

    Analyzing the macroeconomic consequences of a transition to a net-zero economy creates specific modeling challenges, including those related to the non-marginal nature of the required transformation, the...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: wps10367 Date du document: 16 mars 2023 Mode de publication: Disclosed Auteur: Hallegatte,Stephane,Mcisaac,Florent John,Dudu,Hasan,Jooste,Charl,Knudsen,Camilla,Beck,Hans Anand

  • The Climate Implications of Ending Global Poverty (anglais)

    Previous studies have explored potential conflicts between ending poverty and limiting global warming, by focusing on the carbon emissions of the world’s poorest. This paper instead focuses on economic...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10318 Date du document: 24 février 2023 Mode de publication: Disclosed Auteur: Wollburg,Philip Randolph,Hallegatte,Stephane,Mahler,Daniel Gerszon


  • Climate Policy and Inequality in Urban Areas : Beyond Incomes (anglais)

    Opposition to climate policies seems to arise, at least partly, from their effects on inequality. However, so far, the impact of climate policies on inequality has mainly been studied through the lens...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10185 Date du document: 19 septembre 2022 Mode de publication: Disclosed Auteur: Liotta,Charlotte,Avner,Paolo,Viguié,Vincent,Selod,Harris,Hallegatte,Stephane

  • Rapid Urban Growth in Flood Zones : Global Evidence since 1985 (anglais)

    As countries rapidly urbanize, settlements are expanding into hazardous flood zones. This study provides a global analysis of spatial urbanization patterns and the evolution of flood exposure between 1985...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS10014 Date du document: 21 avril 2022 Mode de publication: Disclosed Auteur: Maruyama Rentschler,Jun Erik,Avner,Paolo,Marconcini,Mattia,Su,Rui,Strano,Emanuele,Bernard,Louise Alice Karine,Riom,Capucine Anne Veronique,Hallegatte,Stephane


  • Natural Disasters, Poverty, and Inequality : New Metrics for Fairer Policies (anglais)

    Conventional risk assessments underestimate the human and macroeconomic costs of disasters, leading to inefficient risk management strategies. This happens because conventional assessments focus on asset...

    Type de document: Article de revue Numéro du rapport: 166657 Date du document: 28 octobre 2021 Mode de publication: Disclosed Auteur: Hallegatte,Stephane,Walsh,Brian James

  • Floods and Their Impacts on Firms : Evidence from Tanzania (anglais)

    This study explores how businesses in Tanzania are impacted by floods, and which strategies they use to cope and adapt. These insights are based on firm survey data collected in 2018 using a tailored questionnaire...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS9774 Date du document: 13 septembre 2021 Mode de publication: Disclosed Auteur: Maruyama Rentschler,Jun Erik,Kim,Ella Jisun,Thies,Stephan Fabian,De Vries Robbe,Sophie Anne,Erman,Alvina Elisabeth,Hallegatte,Stephane

  • Flood Protection and Land Value Creation - Not All Resilience Investments Are Created Equal (anglais)

    This paper investigates the land value creation potential from flood mitigation investments in a theoretical and applied setting, using the urban area of Buenos Aires as a case study. It contributes to...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS9744 Date du document: 1 juillet 2021 Mode de publication: Disclosed Auteur: Avner,Paolo,Viguié,Vincent,Jafino,Bramka Arga,Hallegatte,Stephane



  • "Building Back Better" in Practice: A Science-Policy Framework for a Green Economic Recovery after COVID-19 (anglais)

    As humanity’s current production and consumption patterns exceed planetary boundaries, many opinion leaders have stressed the need to adopt green economic stimulus policies in the aftermath of the COVID-19...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS9528 Date du document: 28 janvier 2021 Mode de publication: Disclosed Auteur: Zachariadis,Theodoros,Giannakis,,Elias,Taliotis,Constantinos,Karmellos,Marios,Fylaktos,Nestor,Howells,Mark Idwal,Blyth,William James,Hallegatte,Stephane



  • Revised Estimates of the Impact of Climate Change on Extreme Poverty by 2030 (anglais)

    Thousands of scenarios are used to provide updated estimates for the impacts of climate change on extreme poverty in 2030. The range of the number of people falling into poverty due to climate change is...

    Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS9417 Date du document: 1 septembre 2020 Mode de publication: Disclosed Auteur: Jafino,Bramka Arga,Walsh,Brian James,Rozenberg,Julie,Hallegatte,Stephane