NbS CBA Tool
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Project Key Facts
Step 1: Scope
Step 2: Costs & Benefits
Step 3: Benefit Valuation
Step 4: NPV Calculator
Step 5: Indicators
Step 6: Sensitivity
Step 7: Communication
CBA Sheets
Strategy & Monitoring
Risk Assessment
Measures Evaluation
Step 6
Step 6: Sensitivity
Test robustness
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BCR Max
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Tornado chart — NPV range
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Sensitive parameters identified?
Scenarios cover risks?
Decision robust under uncertainty?
Climate scenarios assessed?