CAR-SOIL CAR U.S. Soil Enrichment Protocol

CAR-SOIL is a agriculture methodology used by 4 projects on Climate Action Reserve (CAR). Registry records show 1,989,219 tonnes issued and 24.5% of them retired.

Key figures

Projects

4

Countries

1

Credits issued

1,989,219 t

Credits retired

488,153 t

Retired share of issued

24.5%

Projects with uncovered reversals

0

Projects yet to issue

50%

Source: Berkeley Voluntary Registry Offsets Database, as used by the Methodology Lab · Data as of June 2026

ICVCM status

Methodology approved for the CCP label.

  • CAR U.S. Soil Enrichment Protocol - 1.1

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

What this means

Where it is used

Source: Registry records · Data as of 1 June 2026

Issuance by vintage

Issuance by vintage for CAR-SOILVintages 2018 to 2025: 1,989,219 tonnes issued.0250k500k750k1M2018 issued: 6,561 tonnes20182019 issued: 32,397 tonnes20192020 issued: 52,754 tonnes20202021 issued: 101,778 tonnes20212022 issued: 406,524 tonnes20222023 issued: 690,918 tonnes20232024 issued: 611,675 tonnes20242025 issued: 86,612 tonnes2025
VintageIssued (tCO₂e)
202586,612
2024611,675
2023690,918
2022406,524
2021101,778
202052,754
201932,397
20186,561

Source: Berkeley Voluntary Registry Offsets Database · Data as of June 2026

Projects using CAR-SOIL

5 project pages in the CRBN.credit database, largest issuance first.

Indigo U.S. Project No.1

Climate Action Reserve (CAR) · United States · Agriculture

2.1M

issued tCO₂e

AgriCapture US Rice Methane Project

Climate Action Reserve (CAR) · United States · Agriculture

177.6K

issued tCO₂e

GQ Sustain Historical Program

Climate Action Reserve (CAR) · United States · Agriculture

Not yet issued

Matador Ranch and Cattle - Montana

Climate Action Reserve (CAR) · United States · Agriculture

Not yet issued

SLM V1

Climate Action Reserve (CAR) · United States · Agriculture

No issuance recorded

Questions about CAR-SOIL

How many projects use CAR-SOIL?

4 projects, in 1 country, as of June 2026.

Is CAR-SOIL approved by the ICVCM?

Methodology approved for the CCP label.

How much of the credits issued under CAR-SOIL have been retired?

24.5%, or 488,153 of 1,989,219 tonnes.

All methodologies All Climate Action Reserve (CAR) projects