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Why climate risk could affect your credit score for buying a home

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By illuminem briefings

· 3 min read


illuminem summarises for you the essential news of the day. Read the full piece on CNN or enjoy below:

🗞️ Driving the news: A new analysis by climate risk modeling firm First Street reveals that exposure to climate disasters such as floods and wildfires may soon influence individual credit scores and mortgage approval decisions
• The report finds that weather-related mortgage defaults are increasingly likely, with an estimated $1.2 billion in current annual lender losses, potentially rising to $5.4 billion by 2035 — primarily in California, Florida, and Louisiana
• This could prompt lenders to tighten standards or raise borrowing costs in high-risk zones

🔭 The context: Traditionally, mortgage assessments overlook climate vulnerability, focusing on factors like income, debt, and credit history
• However, as the cost and frequency of extreme weather events escalate — alongside the growing unaffordability or withdrawal of home insurance in disaster-prone areas — the financial sector faces rising exposure
• Insurers are retreating from high-risk states, and credit risk models are being re-evaluated to include environmental factors

🌍 Why it matters for the planet: Incorporating climate risk into credit evaluations could transform homeownership and development patterns, potentially discouraging investment in vulnerable regions and encouraging climate-resilient planning
• However, it may also exacerbate housing inequality, pricing out lower-income households from safer areas
• The shift underscores how climate adaptation is becoming a systemic financial issue with widespread economic implications

⏭️ What's next: Financial institutions and policymakers may need to revise underwriting standards and credit frameworks to account for climate risk — possibly through regulatory guidance or new scoring methodologies
• If adopted, this could accelerate the financial sector’s alignment with climate resilience but also provoke legal, ethical, and economic debates about access to credit and fairness
• Expect growing calls for federal oversight and data transparency in climate-adjusted lending

💬 One quote: “When climate events destabilize local housing markets, it doesn’t just affect those directly hit. It ripples through the financial system… directly impacting individual credit risk.” — Jeremy Porter, Head of Climate Implications, First Street

📈 One stat: Homes flooded during extreme weather events are 57% more likely to face foreclosure than comparable nearby properties that remain unflooded

See on illuminem's Data Hub™ the sustainability performance of State Street, and their peers Allstate, Travelers

Click for more news covering the latest on climate change 

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illuminem's editorial team, providing you with concise summaries of the most important sustainability news of the day. Follow us on Linkedin, Twitter​ & Instagram

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