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ACRForest CarbonMINNESOTA, USGeneral Methodologyv2.1

Anew - Arrowhead Forestry Project

ACR-860 ↗

#23of 99 in REDD+#103of 345 in United States#42of 147 in American Carbon Registry (ACR)

5.6/ 10
Integrity
5.5
Transparency
6.0
Claim Safety
5.5
Documentation
5.5

Audit Analysis

The Arrowhead Forestry Project is a 20-year improved forest management project in Minnesota with a 28% buffer pool, 30% quantified leakage deduction, and VVB-verified additionality. However, the validation report identified eight non-conformities—including a fire-risk score initially set at 2% rather than the correct 8%—and the first monitoring period delivered roughly 190% of the pro-rata ex-ante expectation, raising questions about baseline conservatism. Safeguards documentation is incomplete, with no FPIC or grievance mechanism on record.

Red Flags

  • Eight non-conformities in the validation report, including a fire-risk score initially set at 2% instead of the correct 8% due to the Greenwood Fire within 30 miles, and buffer pool not correctly deducted from Total ERRs to produce Net ERRs
  • First monitoring period verified ERRs (82,263 tCO₂e) are approximately 190% of the pro-rata lifetime ex-ante expectation (~43,193 tCO₂e for one year of a 20-year crediting period), suggesting the ex-ante estimate may be overly conservative or the baseline may understate business-as-usual sequestration
  • Free, Prior, and Informed Consent (FPIC) was not conducted and no grievance mechanism is documented, despite the project being on non-federal U.S. forestlands where community engagement is expected

Credit Vintages

IssuedRetiredAvailable
2022
85,152085,152
2023
29,139029,139
Total114,2910114,291

Risk Indicators

Additionality

VVB-confirmed combined test

Permanence

Buffer present but fire risk initially miscalculated

Leakage

30% quantified deduction

Baseline

Project-specific; reassessment timing not stated

Safeguards

Safeguards mentioned; FPIC and grievance mechanism absent

Double-claim

CORSIA and CCP status not stated

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Analysis ProvenanceScored2026-09-12General Methodology v2.1

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