January 13, 2025 | Working Paper
  • Type of publication: Working Paper
  • Research or In The Media: Research
  • Research Area: Finance, Jobs & Macroeconomics
  • Publication Date: 2025-01-13
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  • Authors:
    • Add Authors: Shouvik Chakraborty
  • Show in Front Page Modules: Yes

This paper was presented as part of the "Sovereign Debt and Climate Finance Conference” at PERI, May 2024

Abstract

Developing nations face the significant challenge of reconciling their efforts in climate change mitigation with the urgent need for financial resources to adapt to climaterelated disasters, achieve sustainable development, and stabilize their economies. The financial requirements for addressing climate impacts span various sectors, including energy transition, energy efficiency, transportation, agriculture, forestry, other land use (AFOLU), and adaptation strategies. Estimates provided by reputable international organizations, such as the International Energy Agency (IEA), the International Renewable Energy Agency (IRENA), and the Intergovernmental Panel on Climate Change (IPCC), suggest that the annual global climate finance needs may range from $4.2 trillion to $5.7 trillion. Within this framework, the share allocated to developing countries is estimated to constitute approximately $1.9 trillion to $2.0 trillion annually, mainly to support mitigation efforts. It is widely acknowledged that developing countries are unlikely to meet these financial demands independently. Consequently, it is projected that around $1 trillion must be sourced from advanced economies, particularly the AnnexII countries. This paper introduces a methodology grounded in the principles of common but differentiated responsibility and respective capability (CBDR-RC). It facilitates a structured distribution of financing responsibilities among Annex II nations. The methodology incorporates the notion of historical responsibility, quantified as carbon debt, while also measuring capability through a balanced consideration of the wealth and gross domestic product (GDP) of the AnnexII countries. The analysis conducted reveals that the United States of America (USA) is required to contribute nearly half of the total financial obligations among the AnnexII countries, with the remaining funds to be apportioned among other nations within this group.

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