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.
Blue Source - Allegheny Improved Forest Management Project
American Carbon Registry (ACR) · United States · Forest
2.4M
issued tCO₂e
Finite Carbon - Rowland IFM
Climate Action Reserve (CAR) · United States · Forest
2.3M
issued tCO₂e
Brushy Mountain
Climate Action Reserve (CAR) · United States · Forest
2.2M
issued tCO₂e
Blue Source - Powellton Improved Forest Management Project
American Carbon Registry (ACR) · United States · Forest
2.0M
issued tCO₂e
The Nature Conservancy - Upper St. John Forest IFM Project
American Carbon Registry (ACR) · United States · Forest
1.9M
issued tCO₂e
Finite Carbon - Upper Hudson Woodlands ATP IFM
Climate Action Reserve (CAR) · United States · Forest
1.9M
issued tCO₂e
Green Assets - HMWCF-II Avoided Conversion Project
American Carbon Registry (ACR) · United States · Forest
1.8M
issued tCO₂e
Finite Carbon - Dingess Rum IFM
Climate Action Reserve (CAR) · United States · Forest
1.6M
issued tCO₂e
Forest Carbon Partners - Seldovia Native Association Forest Carbon Project
Climate Action Reserve (CAR) · United States · Forest
1.6M
issued tCO₂e
Finite Carbon - Spokane Tribe of Indians IFM
Climate Action Reserve (CAR) · United States · Forest
1.5M
issued tCO₂e
Phase 1 Sustainable Forest Project
Climate Action Reserve (CAR) · United States · Forest
1.5M
issued tCO₂e
Huron Mountain Club Forest Carbon Project
American Carbon Registry (ACR) · United States · Forest
1.5M
issued tCO₂e
Blue Creek
American Carbon Registry (ACR) · United States · Forest
1.5M
issued tCO₂e
Blue Source - Marmet Improved Forest Management Project
American Carbon Registry (ACR) · United States · Forest
1.4M
issued tCO₂e
Forest Carbon Partners - English Bay Corporation Forest Carbon Project
Climate Action Reserve (CAR) · United States · Forest
1.4M
issued tCO₂e
Garcia River Forest - ARB
Climate Action Reserve (CAR) · United States · Forest
1.3M
issued tCO₂e
Martell
Climate Action Reserve (CAR) · United States · Forest
1.3M
issued tCO₂e
Mailliard Ranch
Climate Action Reserve (CAR) · United States · Forest
1.3M
issued tCO₂e
Green Diamond Resource Company Klamath West IFM
American Carbon Registry (ACR) · United States · Forest
1.3M
issued tCO₂e
Richardson Ranch
Climate Action Reserve (CAR) · United States · Forest
1.2M
issued tCO₂e
Finite Carbon - MWF Adirondacks IFM
Climate Action Reserve (CAR) · United States · Forest
1.2M
issued tCO₂e
Bewley Ranches
American Carbon Registry (ACR) · United States · Forest
1.2M
issued tCO₂e
Hollow Tree
Climate Action Reserve (CAR) · United States · Forest
1.2M
issued tCO₂e
Finite Carbon - Tyonek Native Alaskan IFM
American Carbon Registry (ACR) · United States · Forest
1.2M
issued tCO₂e
Green Assets - Milbury Avoided Conversion Project
American Carbon Registry (ACR) · United States · Forest
1.2M
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.