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CDMMethane avoidanceMexicoAMS-III.D

AWMS Methane Recovery Project MX06-S-48, Jalisco, México

CDM-1271 ↗

#25of 27 in Mexico#207of 213 in CDM (UNFCCC)#59of 62 in AMS-III.D

3.4/ 10
Integrity
4.5
Transparency
2.5
Claim Safety
3.0
Documentation
3.0

Audit Analysis

This CDM methane-avoidance project from Jalisco, Mexico (2007–2017 crediting period) has VVB-confirmed additionality via a barrier test, but is undermined by a tenfold discrepancy in claimed emissions reductions between the PDD and validation report, eight corrective actions, twelve clarification requests, and a complete absence of monitoring or verified-emissions data. The project-specific modeled baseline and unquantified zero-leakage assumption further weaken the integrity of the credit claim.

Red Flags

  • Massive ERR contradiction: the PDD (March 2007) claims 95,721 tCO₂e while the validation report (January 2008) records only 9,556 tCO₂e — a roughly 10× gap that raises serious data-reliability concerns.
  • Eight corrective actions and twelve clarification requests were raised during validation, including missing environmental licences, incorrect building counts, outdated IPCC factors, and incomplete direct-emissions accounting.
  • No monitoring reports, verified ERR figures, or FNRB data are present in the extracted record, making it impossible to confirm that any credits were actually delivered.
  • Leakage is set at 0% and simply 'deemed negligible' without a quantified justification or sensitivity analysis.

Credit Vintages

No issuances recorded on the registry.

Risk Indicators

Additionality

VVB-confirmed barrier test

Permanence

No buffer pool; no reversal data

Leakage

0% deemed negligible, unquantified

Baseline

Project-specific, modeled, no reassessment

Safeguards

Mentioned but FPIC/grievance unconfirmed

Double-claim

CORSIA and CCP status not stated

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Analysis ProvenanceScored2026-08-25AMS III.D

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