Climate change is quietly transferring one of the world's largest financial risks onto taxpayers, and almost nobody is talking about it. We continue to assume that insurance absorbs the economic shock of disasters, protecting households, businesses, and governments from escalating losses. That assumption no longer reflects how climate risk is moving through today's financial system. As insurers confront risks that are becoming more difficult to price, governments are absorbing a growing share of the exposure, placing public finances under increasing strain. This shift carries consequences that reach far beyond insurance markets because every taxpayer ultimately becomes part of the financial backstop.
Insurance functions because uncertainty can be priced with reasonable confidence. Historical data, diversified pools of policyholders, and statistical probability have allowed insurers to estimate future losses and allocate capital accordingly. That framework has supported modern economies for generations because lenders, homeowners, businesses, and governments all rely on insurance to convert uncertainty into manageable financial risk. The system has remained remarkably resilient for decades because its underlying assumptions have held true across a wide range of economic conditions.