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Water risk modeling: A framework for finance.

Dieter Gramlich1, Thomas Walker2

  • 1Baden-Württemberg Cooperative State University Heidenheim, Germany.

Journal of Environmental Management
|May 24, 2023
PubMed
Summary

Climate change increases water risks, impacting water security. This study models financial water risk, identifying needs and future directions for better monetary assessment and management.

Keywords:
Water riskWater risk managementWater risk models

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Area of Science:

  • Environmental Finance
  • Climate Risk Modeling
  • Water Security

Background:

  • Climate change is intensifying water risk events globally.
  • Existing water risk models lack quantification of monetary impacts.
  • Societal and ecosystem water security are under threat.

Purpose of the Study:

  • To explore objectives and directions for modeling water risk in finance.
  • To identify requirements for adequate financial water risk modeling.
  • To assess current approaches and their limitations.

Main Methods:

  • Literature review of water risk models in finance.
  • Analysis of existing financial water risk assessment approaches.
  • Identification of gaps and future modeling needs.

Main Results:

  • Current models inadequately quantify monetary dimensions of water risks and opportunities.
  • Key requirements for financial water risk modeling were identified.
  • Benefits and shortcomings of existing approaches were outlined.

Conclusions:

  • There is a critical need for forward-looking, diversification-based, and mitigation-adjusted financial water risk modeling.
  • Understanding the interplay between climate, water, and finance is crucial.
  • Improved modeling is essential for enhancing water security and financial resilience.