Best Practices: Climate Scenarios For Risk Management

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Executive Summary

Climate scenarios help firms assess risk and improve resilience to climate change. They are particularly valuable for managing the uncertainty surrounding the specifics of future climate change and its impacts. However, the scenarios that firms most commonly use are not perfect. To better support business needs, organizations should consider a variety of models and data sources. Scenarios should incorporate multiple sources of uncertainty – such as emissions pathways, socioeconomic conditions, climate system response, feedbacks and tipping points, and interannual variability – at local and global scales over the short, medium and long term. 
Summary for decision-makers
Climate scenarios are a key piece of risk management
Use and misuse of climate scenarios for risk management

Scientific perspective: the good, the bad and the ugly of current approaches
Business perspective: available climate scenarios do not address all needs
Alternative approaches to climate scenarios add value
Scenarios should support business needs
Five recommendations for using climate scenarios in risk management
Figure 1. Strengths and weaknesses of stochastic and deterministic models
Figure 2. Examples of alternative climate scenarios
Figure 3. Questions to consider when evaluating and selecting climate scenarios

About the Authors

Emma Cutler

Emma Cutler

Principal Analyst

Emma is a Principal Analyst at Verdantix, with a current research agenda focusing on solutions for climate risk management. She has a background in simulation and statistical ...

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Katelyn Johnson

Katelyn Johnson

Senior Manager

Katelyn is a Senior Manager at Verdantix, specializing in enterprise risk management and external risk and resilience. She helps executives navigate today’s evolving ris...

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