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CFCUrban Forest CarbonUnited StatesGeneral Methodologyv2.1

King County Forest Carbon Offsets

CFC-king-county-forest-carbon-offs ↗

#74of 389 in United States#32of 59 in City Forest Credits (CFC)

6.0/ 10
Integrity
6.5
Transparency
5.5
Claim Safety
6.0
Documentation
6.0

Audit Analysis

The King County urban forest preservation project demonstrates solid verification practices with a VVB-confirmed investment additionality test, a 10% buffer pool, and no material findings or corrective actions. However, the project-specific baseline, absence of a quantified leakage deduction figure, and multiple unstated safeguards and eligibility parameters create moderate uncertainty. The verified ERR of 3,025 is conservative relative to the PDD estimate of 3,361, reducing over-crediting risk.

Red Flags

  • Leakage is described as 'quantified' in the verification report but no specific deduction percentage appears in the extracted record, leaving the magnitude of the adjustment unclear
  • Safeguards documentation (FPIC, grievance mechanism, benefit sharing) is entirely absent from the available documents
  • The 100-year permanence claim for urban tree preservation carries inherent risk from urban development pressure, and no reversal events data is available to confirm long-term stability

Credit Vintages

IssuedRetiredAvailable
2019
3,0259332,092
Total3,0259332,092

Risk Indicators

Additionality

VVB-confirmed investment test

Permanence

mixed evidence / unresolved risk

Leakage

Quantified but pct not in record

Baseline

Project-specific, reassessment date unstated

Safeguards

FPIC, grievance, benefit sharing all unstated

Double-claim

CORSIA and CCP status both unstated

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Analysis ProvenanceScored2026-09-02General Methodology v2.1

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