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ACRForest CarbonMAINE, USGeneral Methodologyv2.1

Anew - Big Six Forestry Project

ACR-588 ↗

#2of 145 in REDD+#8of 389 in United States#6of 195 in American Carbon Registry (ACR)

6.8/ 10
Integrity
6.5
Transparency
7.0
Claim Safety
7.0
Documentation
7.0

Audit Analysis

A Maine improved-forest-management project with strong permanence safeguards (18% buffer pool, no reversals) and a very conservative 40% leakage deduction, verified by Ruby Canyon Environmental. However, the project-specific modeled baseline, absence of FPIC, and multiple material findings (deforested utility corridors, inventory data errors) temper confidence in the underlying data quality.

Red Flags

  • Five corrective actions were required in the verification report, including removal of deforested utility ROWs from the project area and correction of inventory data discrepancies (missing trees, DBH errors) across multiple plots
  • FPIC was not conducted despite the project being on non-federal U.S. forestland in Maine, and no grievance mechanism is documented
  • Baseline is project-specific and modeled rather than jurisdictional or measured, with no reassessment date stated in available documents

Credit Vintages

IssuedRetiredAvailable
2020
53,63937,92515,714
2021
137,59990,82546,774
2022
83,80374,8078,996
Total275,041203,55771,484

Risk Indicators

Additionality

VVB-confirmed combined test

Permanence

18% buffer pool, no reversals

Leakage

40% quantified deduction

Baseline

Project-specific, modeled, no reassessment date

Safeguards

Safeguards mentioned but no FPIC or grievance mechanism

Double-claim

CORSIA and CCP status not stated

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Analysis ProvenanceScored2026-09-12General Methodology v2.1

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