Austin Forest Carbon Offsets
#260of 389 in United States#58of 59 in City Forest Credits (CFC)
Audit Analysis
The Austin urban forest project has a VVB-confirmed additionality test and a 5% buffer pool, but is undermined by a project-specific baseline, a complete absence of leakage treatment, and material findings showing tree mortality (21.3% at Year 6) exceeding the 20% anticipated rate. Five contradictions across documents—including a 26-credit discrepancy in verified ERR and a baseline method conflict—erode confidence in the data. The low extraction confidence and missing key parameters (FNRB, CORSIA/CCP status, usage monitoring) limit the ability to fully assess claim safety.
Red Flags
- Five contradictions between documents, including a 26-credit gap in verified ERR (90 vs 121) and a baseline method conflict (project-specific vs jurisdictional)
- Leakage is entirely unaddressed: no deduction percentage, no justification, and no treatment described in any available document
- Observed tree mortality of 21.3% at Year 6 exceeded the 20% anticipated rate, requiring recalculation of carbon storage and downward credit revisions
- Low extraction confidence across the document set, with one document of unknown type, limiting reliability of the extracted record
- FPIC was not conducted and no grievance mechanism is documented, despite safeguards being mentioned
Credit Vintages Exhausted
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2019 | 54 | 0 | 54 | |
| 2023 | 197 | 0 | 197 | |
| 2024 | 90 | 341 | -251 | |
| Total | 341 | 341 | 0 |
Risk Indicators
VVB-confirmed combined test
3% mortality exceeded design
Not addressed in any document; no deduction or justification
Project-specific baseline; reassessed 2023 but less robust than jurisdictional
Safeguards mentioned but FPIC not conducted; no grievance mechanism documented
CORSIA and CCP status both unstated; dual-channel risk unassessed
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