ARB-FOREST ARB Compliance Offset Protocol: U.S. Forest Projects
ARB-FOREST is a forestry & land use methodology used by 160 projects on Climate Action Reserve (CAR), American Carbon Registry (ACR), Verra. Registry records show 70,906,665 tonnes issued and 75.3% of them retired.
Key figures
Projects
160
Countries
1
Credits issued
70,906,665 t
Credits retired
53,404,764 t
Retired share of issued
75.3%
Projects with uncovered reversals
13
Projects yet to issue
47.5%
Source: Berkeley Voluntary Registry Offsets Database, as used by the Methodology Lab · Data as of June 2026
ICVCM status
No ICVCM decision on this methodology yet.
The CCP label is applied to credits by the registry, issuance by issuance. An approved methodology means credits from projects using it can be eligible; it does not mean every credit carries the label.
CORSIA programme relevance
Whether the programmes this methodology is used on are approved by ICAO. Programme level only; unit eligibility depends on dates, authorisation and each programme's exclusions.
- Climate Action Reserve (CAR) 2024 to 2026: approved · 2027 to 2029: not approved
- American Carbon Registry (ACR) 2024 to 2026: approved · 2027 to 2029: approved
- Verra 2024 to 2026: approved · 2027 to 2029: approved
Issuance by vintage
| Vintage | Issued (tCO₂e) |
|---|---|
| 2025 | 1,440,419 |
| 2024 | 3,087,662 |
| 2023 | 2,683,459 |
| 2022 | 3,361,342 |
| 2021 | 5,144,273 |
| 2020 | 4,193,134 |
| 2019 | 10,719,719 |
| 2018 | 12,819,986 |
| 2017 | 7,702,256 |
| 2016 | 7,954,559 |
| 2015 | 6,201,524 |
| 2014 | 2,989,261 |
| 2013 | 2,609,071 |
Source: Berkeley Voluntary Registry Offsets Database · Data as of June 2026
Projects using ARB-FOREST
269 project pages in the CRBN.credit database, largest issuance first.
Bluesource - Spirit Falls Improved Forest Management Project
American Carbon Registry (ACR) · United States · Forest
667.7K
issued tCO₂e
Sacramento Canyon ARB001
Climate Action Reserve (CAR) · United States · Forest
662.3K
issued tCO₂e
MRC Albion IFM
Climate Action Reserve (CAR) · United States · Forest
645.8K
issued tCO₂e
Finite Carbon - Stevenson AL IFM
Climate Action Reserve (CAR) · United States · Forest
628.6K
issued tCO₂e
Klamath Forest Carbon Project
Climate Action Reserve (CAR) · United States · Forest
600.8K
issued tCO₂e
Round Valley Indian Tribes Improved Forest Management Project
American Carbon Registry (ACR) · United States · Forest
597.7K
issued tCO₂e
Big River / Salmon Creek Forests - ARB
Climate Action Reserve (CAR) · United States · Forest
583.0K
issued tCO₂e
Lost Coast Forestlands Improved Forest Management Project
Climate Action Reserve (CAR) · United States · Forest
578.2K
issued tCO₂e
Blue Source - Northwoods Improved Forest Management Project
American Carbon Registry (ACR) · United States · Forest
554.1K
issued tCO₂e
Forest Carbon Partners - Hunter Ranch Improved Forest Management Project
Climate Action Reserve (CAR) · United States · Forest
551.5K
issued tCO₂e
Finite Carbon - Stevenson TN IFM
Climate Action Reserve (CAR) · United States · Forest
537.8K
issued tCO₂e
Shasta Cascade Timberlands Forest Carbon Project
Climate Action Reserve (CAR) · United States · Forest
527.0K
issued tCO₂e
McCloud Forest Improved Forest Management Project
Climate Action Reserve (CAR) · United States · Forest
509.7K
issued tCO₂e
Finite Carbon - Opal Mountain Ranch IFM
American Carbon Registry (ACR) · United States · Forest
507.0K
issued tCO₂e
Greenwood Creek
Climate Action Reserve (CAR) · United States · Forest
506.4K
issued tCO₂e
Bluesource - Goldbelt Improved Forest Management Project
American Carbon Registry (ACR) · United States · Forest
475.9K
issued tCO₂e
Pine Creek Improved Forest Management Project
Climate Action Reserve (CAR) · United States · Forest
472.0K
issued tCO₂e
Kings Grove
Climate Action Reserve (CAR) · United States · Forest
464.2K
issued tCO₂e
Finite Carbon - Lakes Region Conservation Trust IFM
American Carbon Registry (ACR) · United States · Forest
463.0K
issued tCO₂e
Save the Redwoods League 2018
Climate Action Reserve (CAR) · United States · Forest
441.0K
issued tCO₂e
Forest Carbon Partners - Berea College Improved Forest Management Project
Climate Action Reserve (CAR) · United States · Forest
432.3K
issued tCO₂e
Lassen
Climate Action Reserve (CAR) · United States · Forest
430.7K
issued tCO₂e
Glasscock Island
American Carbon Registry (ACR) · United States · Forest
430.4K
issued tCO₂e
Finite Carbon - Tennessee River Gorge Trust IFM
American Carbon Registry (ACR) · United States · Forest
427.0K
issued tCO₂e
Blue Source - Great Mountain Forest Improved Forest Management Project
American Carbon Registry (ACR) · United States · Forest
417.5K
issued tCO₂e
Related methodologies
Same scope, with a more favourable ICVCM decision.
- VM0047 Afforestation, Reforestation, and Revegetation 193 projects · CCP-Approved
- ACR Improved Forest Management (IFM) on Non-Federal U.S. Forestlands 47 projects · CCP-Approved
- VM0048 Reducing Emissions from Deforestation and Forest Degradation 30 projects · CCP-Approved
- VM0045 Improved Forest Management Methodology Using Dynamic Matched Baselines from National Forest Inventories 8 projects · CCP-Approved
- CAR Mexico Forest Protocol 484 projects · Under assessment, no decision published
- VM0010 Methodology for Improved Forest Management: Conversion from Logged to Protected Forest 103 projects · Under assessment, no decision published
Questions about ARB-FOREST
How many projects use ARB-FOREST?
160 projects, in 1 country, as of June 2026.
Is ARB-FOREST approved by the ICVCM?
No ICVCM decision on this methodology yet.
How much of the credits issued under ARB-FOREST have been retired?
75.3%, or 53,404,764 of 70,906,665 tonnes.