Physical Climate Risk
Understanding acute and chronic physical risks from climate change and their impacts on businesses and assets.
Overview
Physical climate risks are the direct risks arising from climate change impacts. These include acute risks from extreme weather events and chronic risks from long-term shifts in climate patterns. As climate change intensifies, these risks are becoming more severe and frequent.
Acute Physical Risks
Short-term, event-driven risks:
Extreme Weather Events
| Event Type | Business Impacts |
|---|---|
| Hurricanes/Cyclones | Property damage, business interruption, supply chain disruption |
| Floods | Inventory loss, facility damage, transportation disruption |
| Wildfires | Asset destruction, evacuation, air quality impacts |
| Heatwaves | Worker safety, cooling demand, productivity loss |
| Winter storms | Facility damage, energy supply stress, logistics disruption |
Case Studies
Hurricane Katrina (2005): $125B+ in damages, major insurance losses
Thai Floods (2011): Disrupted global hard drive supply chain
Hurricane Harvey (2017): $125B damages, shut down oil refineries
European Heatwave 2022: Wildfires, drought, energy crises
Chronic Physical Risks
Long-term, gradual changes:
Climate Shifts
| Change | Impacts |
|---|---|
| Sea level rise | Coastal flooding, property values, infrastructure |
| Chronic heat | Agricultural yields, worker productivity, cooling costs |
| Changing precipitation | Water scarcity, agricultural disruption |
| Ocean acidification | Marine ecosystems, fisheries |
| Ecosystem shifts | Supply chain agricultural impacts |
Quantified Projections
- Sea level rise: 0.3-1.1m by 2100 (depending on scenario)
- Temperature increase: 1.5-4.4°C by 2100
- Extreme events: Increasing frequency and intensity
- Regional variation: Uneven global impacts
Risk Assessment Methods
Hazard Identification
- Historical disaster data
- Climate projections
- Location-specific risks
Vulnerability Analysis
- Asset exposure
- Infrastructure resilience
- Adaptive capacity
Impact Assessment
- Direct damage costs
- Business interruption
- Supply chain effects
- Recovery time
Adaptation Strategies
Structural Measures
- Flood barriers and sea walls
- Climate-resilient infrastructure
- Backup power and cooling systems
Operational Measures
- Business continuity planning
- Diversification of suppliers
- Flexible working arrangements
Financial Measures
- Insurance coverage
- Risk transfer mechanisms
- Reserve funds for recovery
Industry-Specific Risks
Real Estate
- Property damage
- Insurance costs
- Property values in flood zones
Agriculture
- Crop yield impacts
- Water availability
- Pest and disease shifts
Energy
- Power generation disruptions
- Demand pattern changes
- Infrastructure damage
Manufacturing
- Supply chain exposure
- Worker safety
- Facility location risks
Financial Institutions
- Loan portfolio risk
- Collateral values
- Insurance liability
Practical Guidance
For Businesses
- Map exposure: Identify facilities in high-risk areas
- Assess vulnerability: Evaluate resilience of operations
- Develop response plans: Emergency procedures, backup systems
- Invest in resilience: Hardening infrastructure
- Transfer risk: Appropriate insurance coverage
- Disclose risks: TCFD-aligned reporting
Assessment Tools
- Climate hazard maps (FEMA, World Bank)
- Catastrophe models (RMS, AIR, CATCO)
- Physical risk platforms (Four Twenty Seven, MSCI)
- Scenario analysis tools
Key Takeaways
- Physical risks are increasing in frequency and severity
- Both acute (event) and chronic (gradual) risks matter
- Assessment requires location-specific analysis
- Adaptation and resilience are essential responses
- Insurance and financial risk transfer have limits
- Long-term planning must account for changing risk profiles
References
- GHG Protocol · ICMA Green Bond Principles · SBTi · IPCC — climate finance frameworks
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