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.

What this means

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

What this means

Where it is used

Source: Registry records · Data as of 1 June 2026

Issuance by vintage

Issuance by vintage for ARB-FORESTVintages 2013 to 2025: 70,906,665 tonnes issued.05M10M15M20M2013 issued: 2,609,071 tonnes20132014 issued: 2,989,261 tonnes2015 issued: 6,201,524 tonnes20152016 issued: 7,954,559 tonnes2017 issued: 7,702,256 tonnes20172018 issued: 12,819,986 tonnes2019 issued: 10,719,719 tonnes20192020 issued: 4,193,134 tonnes2021 issued: 5,144,273 tonnes20212022 issued: 3,361,342 tonnes2023 issued: 2,683,459 tonnes20232024 issued: 3,087,662 tonnes2025 issued: 1,440,419 tonnes2025
VintageIssued (tCO₂e)
20251,440,419
20243,087,662
20232,683,459
20223,361,342
20215,144,273
20204,193,134
201910,719,719
201812,819,986
20177,702,256
20167,954,559
20156,201,524
20142,989,261
20132,609,071

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 - Wilderness Lakes Improved Forest Management Project

American Carbon Registry (ACR) · United States · Forest

172.6K

issued tCO₂e

Hanes Ranch Forest Carbon Project

American Carbon Registry (ACR) · United States · Forest

171.8K

issued tCO₂e

Brush Creek

American Carbon Registry (ACR) · United States · Forest

169.5K

issued tCO₂e

Finite Carbon - Potlatch Moro Big Pine CE IFM

Climate Action Reserve (CAR) · United States · Forest

164.6K

issued tCO₂e

Cohasset 2019

Climate Action Reserve (CAR) · United States · Forest

162.4K

issued tCO₂e

Virginia Conservation Forestry Program - Rich Mountain

Climate Action Reserve (CAR) · United States · Forest

145.8K

issued tCO₂e

Finite Carbon - Lyme Brimstone Timberlands IFM

Climate Action Reserve (CAR) · United States · Forest

142.2K

issued tCO₂e

Green Diamond Resource Company Thompson River IFM

American Carbon Registry (ACR) · United States · Forest

99.8K

issued tCO₂e

Blue Source-Alford Improved Forest Management Project

Verra · United States · Forest

97.2K

issued tCO₂e

Virginia Conservation Forestry Program - Clifton Farm

Climate Action Reserve (CAR) · United States · Forest

85.1K

issued tCO₂e

Van Eck Forest

Climate Action Reserve (CAR) · United States · Forest

62.3K

issued tCO₂e

Ashford III

Climate Action Reserve (CAR) · United States · Forest

61.1K

issued tCO₂e

Big Valley

Climate Action Reserve (CAR) · United States · Forest

52.1K

issued tCO₂e

Camino

Climate Action Reserve (CAR) · United States · Forest

39.7K

issued tCO₂e

Forest Carbon Works Rowan Family Forest Project

American Carbon Registry (ACR) · United States · Forest

36.7K

issued tCO₂e

Camp Shelby Forest Carbon Project

American Carbon Registry (ACR) · United States · Forest

35.5K

issued tCO₂e

Finite Carbon - Shannondale Tree Farm

Climate Action Reserve (CAR) · United States · Forest

29.5K

issued tCO₂e

Finite Carbon - Brosnan Forest

Climate Action Reserve (CAR) · United States · Forest

28.4K

issued tCO₂e

Forest Carbon Works Stewart Family Forest Project

American Carbon Registry (ACR) · United States · Forest

28.0K

issued tCO₂e

Blue Source - Alford Improved Forest Management Project

Climate Action Reserve (CAR) · United States · Forest

14.1K

issued tCO₂e

SIG Carbonû Northeast Wilderness Trust û Howland Research Forest

Climate Action Reserve (CAR) · United States · Forest

7.8K

issued tCO₂e

Forest Carbon Works Christensen Family Forest Project

American Carbon Registry (ACR) · United States · Forest

4.7K

issued tCO₂e

Sustainable Mountain IFM

Climate Action Reserve (CAR) · United States · Forest

4.3K

issued tCO₂e

SIG Carbon - Northeast Wilderness Trust - Alder Stream Preserve

Climate Action Reserve (CAR) · United States · Forest

777

issued tCO₂e

2021 Fire Refo

Climate Action Reserve (CAR) · United States · Forest

Not yet issued

Related methodologies

Same scope, with a more favourable ICVCM decision.

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.