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.
Schaads
Climate Action Reserve (CAR) · United States · Forest
No issuance recorded
South Trinity Divide
Climate Action Reserve (CAR) · United States · Forest
No issuance recorded
Storrie Fire Reforestation Compliance Project
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
Swamp
Climate Action Reserve (CAR) · United States · Forest
No issuance recorded
Tahoe Soper
Climate Action Reserve (CAR) · United States · Forest
Not yet issued
Tahoe Westcentral
Climate Action Reserve (CAR) · United States · Forest
No issuance recorded
The Audubon Borestone Mountain Carbon Project
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
The Bridgestone Chestnut Mountain Carbon Project
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
The Caulk Island Forest Carbon Project
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
The Nature Conservancy Warm Springs IFM Carbon Project
Climate Action Reserve (CAR) · United States · Forest
No issuance recorded
Tiger 2019
Climate Action Reserve (CAR) · United States · Forest
No issuance recorded
Trinity Timberlands Improved Forest Management Project
Climate Action Reserve (CAR) · United States · Forest
Not yet issued
Twin Lakes Forest Project
Climate Action Reserve (CAR) · United States · Forest
No issuance recorded
Vimark-Trione
Climate Action Reserve (CAR) · United States · Forest
Not yet issued
Wapiti Woods II
Climate Action Reserve (CAR) · United States · Forest
No issuance recorded
Wetsel
Climate Action Reserve (CAR) · United States · Forest
No issuance recorded
White Mountain Apache Tribe Carbon Project (original II)
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
White Mountain Apache Tribe Carbon Project IV
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
White Mountain Apache Tribe Carbon Project V
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
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.