Clarity in Credit

2026 Wildfires Spread Beyond Physical Climate Risk

Episode Summary

This past summer, Europe experienced another scorching season marked by heatwaves, drought, and wildfires. While we often consider these events to be environmental concerns, they also pose economic and financial risks. In this episode, we examine what the 2026 European wildfire season can tell us about climate and its implications for the region’s banks, insurers, residential mortgage-backed securities transactions, and sovereigns. Why are investors paying close attention to physical climate risks? Take a listen and find out.

Episode Notes

In the latest episode of the Clarity in Credit podcast, Arnaud Journois, Senior Vice President of European Financial Institution Ratings and Jason Graffam, Senior Vice President of Global Sovereign Ratings joined Vitaline Yeterian, Senior Vice President and Sector Lead of European Financial Institution Ratings, to discuss how wildfires and other extreme weather events are translating physical climate risk into financial and credit risk.

The conversation examines the implications for European banks, insurers, residential mortgage-backed securities (RMBS) transactions, and sovereigns. Our speakers explore how geography, portfolio concentration, insurance protection, and exposure duration influence vulnerability, and why climate models remain useful for identifying where risks may intensify. The discussion highlights potentially greater risks for geographically concentrated institutions and the broader economic consequences for affected regions. The panel concludes that climate risk increasingly operates through established channels of credit, market, and operational risk, making it an integral part of financial analysis and regulatory oversight.

KEY HIGHLIGHTS

• Recent European wildfires have brought physical climate risk and its financial transmission channels into sharper focus.
• Climate models cannot predict individual events, but they can help investors identify vulnerable regions and translate physical climate exposure into financial measures such as probability of default and loss given default.
• Large European banks are generally protected by their scale and diversification across geographies, sectors, and customers whereas smaller, regionally concentrated banks may be more exposed to repeated severe events.
• Insurers face a more direct transmission channel through claims, although they can adjust premiums and underwriting conditions as risks evolve. For RMBS, physical damage may remain limited where properties benefit from effective protection or mitigation measures.
• Geography and time horizon are becoming increasingly important in credit analysis, as similar assets can have different risk profiles depending on location, while longer-term exposures provide more time for climate risks to materialise.
• Sovereigns can become financial shock absorbers when losses are not covered by private insurance, increasing the importance of public-private catastrophe frameworks, resilient infrastructure, and disaster-recovery funding.
• The broader risk extends beyond direct asset damage to potential disruption of economic activity, infrastructure, employment, and regional attractiveness, which may ultimately weaken borrowers’ ability to service their debt.
• Overall, climate risk amplifies traditional credit, market, and operational risks, and is becoming more deeply embedded in banks’ risk-management frameworks.

RELATED RESEARCH 

• “Climate Risk Data Now Available in European Covered Bond Credit Rating and Surveillance Reports”, https://dbrs.morningstar.com/research/488432
• “The Summer of 2026: Heatwaves, Wildfires, and Droughts--Weather Extremes Are Stacking Up”, https://dbrs.morningstar.com/research/487811
• “Beyond the Burned Area: What the 2026 Wildfires Mean for French and Spanish RMBS”, https://dbrs.morningstar.com/research/486319
• “Fire at Europe’s Urban Edge: Wildfires in Spain and France Test Insurers’ Secondary Peril Defences”, https://dbrs.morningstar.com/research/486187
• “Climate Risk Navigator: The EBA’s 2027 EU-Wide Stress Test Integrates Climate Risk for Banks”, https://dbrs.morningstar.com/research/485154/
• “Climate Risk Data Now Available in Morningstar DBRS European RMBS Rating Reports”, https://dbrs.morningstar.com/research/482431
• “A Large Insurance Gap Is Shaping Europe’s Approach to Catastrophe Risk Sharing”, https://dbrs.morningstar.com/insights/commentary/478610
• “Climate Risk Navigator - European RMBS HEATMap”,
  https://dbrs.morningstar.com/research/480803
• “Climate Risk Navigator: Physical Climate Risk Signals in Credit--Longitude, Latitude, and Exposure”, https://dbrs.morningstar.com/research/476573
• “Impact of Storm Nils and Heightened Climate Losses on the French NatCat Framework”, https://dbrs.morningstar.com/research/474479
• “Climate Risk Navigator: Can Insured Losses Become a Proxy to Climate Costs?”, 
  https://dbrs.morningstar.com/research/473212
• “Beyond the 2026 Wildfires: Physical Climate Risk and European Banks”, https://dbrs.morningstar.com/insights/commentary/490124

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