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.

Green Diamond Resource Company ORO East IFM

American Carbon Registry (ACR) · United States · Forest

Not yet issued

Green Diamond Resource Company ORO North IFM

American Carbon Registry (ACR) · United States · Forest

Not yet issued

Green Diamond Resource Company ORO South IFM

American Carbon Registry (ACR) · United States · Forest

Not yet issued

Griswold

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

HRC Fangorn Forest IFM

Climate Action Reserve (CAR) · United States · Forest

Not yet issued

HRC Yager IFM

Climate Action Reserve (CAR) · United States · Forest

Not yet issued

Hearst Forests

Climate Action Reserve (CAR) · United States · Forest

Not yet issued

Highsplint 4-2021

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

Hilt Forest Carbon Project

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

Kepel Creek Improvement Forest Management Project

Climate Action Reserve (CAR) · United States · Forest

Not yet issued

MRC Misty Mountain IFM

Climate Action Reserve (CAR) · United States · Forest

Not yet issued

MRC Rivendell IFM

Climate Action Reserve (CAR) · United States · Forest

Not yet issued

MRC Shire IFM

Climate Action Reserve (CAR) · United States · Forest

Not yet issued

Marble Creek

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

Mineral

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

Ninemile

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

Ninemile 2019

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

North Navarro West

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

North Stirling 2019

Climate Action Reserve (CAR) · United States · Forest

Not yet issued

SPI Wildfire Reforestation Project #1

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

SPI Wildfire Reforestation Project #2

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

SPI Wildfire Reforestation Project #3

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

SPI Wildfire Reforestation Project #4

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

SPI Wildfire Reforestation Project #5

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

SPI Wildfire Reforestation Project #6

Climate Action Reserve (CAR) · United States · Forest

No issuance recorded

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.