Climate Risk Assessment
Understanding enterprise risk management for climate change, including physical and transition risks.
Overview
Climate risk assessment is the process of identifying, analyzing, and evaluating how climate change affects organizations. This includes both physical risks from climate impacts and transition risks from the shift to a low-carbon economy.
Types of Climate Risk
Physical Risks
Direct impacts from climate change:
| Type | Examples | Timeframe |
|---|
| Acute | Hurricanes, floods, wildfires, heatwaves | Near-term |
| Chronic | Sea level rise, chronic heat, drought | Long-term |
Business Impacts:
- Asset damage and destruction
- Supply chain disruption
- Operational downtime
- Increased insurance costs
- Worker safety concerns
Transition Risks
Risks from moving to a low-carbon economy:
| Category | Examples |
|---|
| Policy & Legal | Carbon pricing, emissions regulations, litigation |
| Technology | Clean technology disruption, stranded assets |
| Market | Changed customer preferences, supply chain shifts |
| Reputation | Stakeholder pressure, greenwashing backlash |
Business Impacts:
- Asset impairment (stranded assets)
- Revenue decline from unsustainable products
- Increased operating costs
- Access to capital constraints
Assessment Framework
Step 1: Governance
- Board oversight of climate risk
- Management responsibility
- Risk committee involvement
Step 2: Strategy
- Identify climate scenarios
- Assess impacts across time horizons
- Consider different warming pathways
Step 3: Risk Management
- Identify physical and transition risks
- Assess likelihood and impact
- Prioritize and manage risks
Step 4: Metrics & Targets
- Quantify exposure (e.g., emissions, asset location)
- Set risk appetite
- Track performance
Scenario Analysis
Purpose
Test strategy against different climate futures:
- Orderly transition: Gradual policy action (1.5°C-2°C)
- Disorderly transition: Sudden, delayed policy (2-3°C)
- Hot house world: Limited action (>3°C)
Popular Scenarios
- NGFS scenarios: Climate Central Banks Network
- IPCC scenarios: SSP1-2.6, SSP5-8.5
- IEA scenarios: Net Zero by 2050, Stated Policies
- Internal: Custom scenarios for specific risks
Outputs
- Impact assessment on business model
- Financial quantification (revenue, costs, assets)
- Strategic implications
TCFD Recommendations
The Task Force on Climate-related Financial Disclosures recommends:
Governance
- Board oversight
- Management's role in assessing/managing risk
Strategy
- Climate risks and opportunities
- Business impact across scenarios
- Resilience of strategy
Risk Management
- Risk identification processes
- Risk assessment methods
- Risk management integration
Metrics & Targets
- Climate-related metrics
- GHG emissions (Scope 1, 2, 3)
- Targets and performance against
Practical Guidance
For Companies
- Start with mapping: Identify climate-sensitive operations
- Engage experts: Climate scientists, risk consultants
- Quantify where possible: Financial materiality assessment
- Integrate into ERM: Part of enterprise risk management
- Disclose publicly: TCFD-aligned reporting
- CDP Climate Change questionnaire: Standardized disclosure
- SBTi: Target-setting aligned with science
- Climate risk tools: Provider-specific tools (MSCI, Sustainalytics, etc.)
- Insurance models: Reinsurance catastrophe models
Key Takeaways
- Climate risk has two main types: physical and transition
- Assessment requires both qualitative and quantitative analysis
- Scenario analysis is essential for understanding uncertainty
- TCFD framework provides disclosure structure
- Integration into enterprise risk management is critical
- Financial sector increasingly requiring climate risk assessment
References