CAR-WASTE-DIGESTION CAR U.S. Organic Waste Digestion Protocol
CAR-WASTE-DIGESTION is a waste management methodology used by 4 projects on Climate Action Reserve (CAR). Registry records show 283,510 tonnes issued and 87.3% of them retired.
Key figures
Projects
4
Countries
1
Credits issued
283,510 t
Credits retired
247,487 t
Retired share of issued
87.3%
Projects yet to issue
50%
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
Issuance by vintage
| Vintage | Issued (tCO₂e) |
|---|---|
| 2025 | 3,000 |
| 2024 | 22,770 |
| 2023 | 33,085 |
| 2022 | 22,257 |
| 2021 | 18,652 |
| 2020 | 19,959 |
| 2019 | 18,159 |
| 2018 | 14,823 |
| 2017 | 11,806 |
| 2016 | 16,249 |
| 2015 | 18,798 |
| 2014 | 19,980 |
| 2013 | 19,515 |
| 2009 | 18,858 |
| 2008 | 25,599 |
Source: Berkeley Voluntary Registry Offsets Database · Data as of June 2026
Projects using CAR-WASTE-DIGESTION
4 project pages in the CRBN.credit database, largest issuance first.
Washington Beef LLC Greenhouse Gas and Solids Reduction Project
Climate Action Reserve (CAR) · United States · Ghg Management
236.1K
issued tCO₂e
Cottonwood Dairy Organic Waste Digestion Project
Climate Action Reserve (CAR) · United States · Ghg Management
44.5K
issued tCO₂e
Pilgrim's Enterprise Organic Waste Digestion Project
Climate Action Reserve (CAR) · United States · Ghg Management
Not yet issued
RNG from Organic Wastewater Anaerobic Digestion
Climate Action Reserve (CAR) · United States · Ghg Management
No issuance recorded
Related methodologies
Same scope, with a more favourable ICVCM decision.
- CAR U.S. and Canada Biochar Protocol 9 projects · CCP-Approved
- ACM0001 Flaring or use of landfill gas 181 projects · Under assessment, no decision published
- AMS-III.G. Landfill methane recovery 6 projects · Under assessment, no decision published
- CAR U.S. Landfill Protocol 128 projects · Withdrawn from assessment
- VM0044 Methodology for Biochar Utilization in Soil and Non-Soil Applications 12 projects · Withdrawn from assessment
Questions about CAR-WASTE-DIGESTION
How many projects use CAR-WASTE-DIGESTION?
4 projects, in 1 country, as of June 2026.
Is CAR-WASTE-DIGESTION approved by the ICVCM?
No ICVCM decision on this methodology yet.
How much of the credits issued under CAR-WASTE-DIGESTION have been retired?
87.3%, or 247,487 of 283,510 tonnes.