ARB-OZONE ARB Compliance Offset Protocol: Destruction of U.S. Ozone Depleting Substances Banks
ARB-OZONE is a chemical processes methodology used by 107 projects on American Carbon Registry (ACR), Climate Action Reserve (CAR). Registry records show 9,519,666 tonnes issued and 79.7% of them retired.
Key figures
Projects
107
Countries
1
Credits issued
9,519,666 t
Credits retired
7,591,288 t
Retired share of issued
79.7%
Projects yet to issue
4.7%
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. Ozone Depleting Substances Protocol - 1.0-2.0
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.
- American Carbon Registry (ACR) 2024 to 2026: approved · 2027 to 2029: approved
- Climate Action Reserve (CAR) 2024 to 2026: approved · 2027 to 2029: not approved
Issuance by vintage
| Vintage | Issued (tCO₂e) |
|---|---|
| 2025 | 97,359 |
| 2024 | 853,863 |
| 2023 | 45,265 |
| 2022 | 232,579 |
| 2021 | 310,504 |
| 2020 | 570,630 |
| 2019 | 293,757 |
| 2018 | 1,674,225 |
| 2017 | 1,741,715 |
| 2016 | 1,076,514 |
| 2015 | 883,719 |
| 2014 | 1,082,121 |
| 2013 | 657,415 |
Source: Berkeley Voluntary Registry Offsets Database · Data as of June 2026
Projects using ARB-OZONE
228 project pages in the CRBN.credit database, largest issuance first.
Tradewater ODS 7
American Carbon Registry (ACR) · United States · Ghg Management
139.0K
issued tCO₂e
Tradewater ODS 8
American Carbon Registry (ACR) · United States · Ghg Management
138.3K
issued tCO₂e
A-Gas 2019-1
Climate Action Reserve (CAR) · United States · Ghg Management
138.2K
issued tCO₂e
Tradewater ODS 10
American Carbon Registry (ACR) · United States · Ghg Management
137.3K
issued tCO₂e
Tradewater ODS 38
American Carbon Registry (ACR) · United States · Ghg Management
136.7K
issued tCO₂e
A-Gas 2019-9
American Carbon Registry (ACR) · United States · Ghg Management
136.4K
issued tCO₂e
A-GAS RemTec 2015-2
Climate Action Reserve (CAR) · United States · Ghg Management
135.6K
issued tCO₂e
EOS ACR 253
American Carbon Registry (ACR) · United States · Ghg Management
135.0K
issued tCO₂e
A-GAS Americas 2015-1
Climate Action Reserve (CAR) · United States · Ghg Management
134.4K
issued tCO₂e
Coolgas 2016-3
Climate Action Reserve (CAR) · United States · Ghg Management
133.2K
issued tCO₂e
Tradewater ODS 36
American Carbon Registry (ACR) · United States · Ghg Management
133.1K
issued tCO₂e
Tradewater ODS 48
American Carbon Registry (ACR) · United States · Ghg Management
132.8K
issued tCO₂e
Tradewater ODS 12
American Carbon Registry (ACR) · United States · Ghg Management
132.1K
issued tCO₂e
DPC Domestic ODS Destruction Project #22
Climate Action Reserve (CAR) · United States · Ghg Management
131.0K
issued tCO₂e
Tradewater ODS 55
American Carbon Registry (ACR) · United States · Ghg Management
130.3K
issued tCO₂e
Tradewater ODS 9
American Carbon Registry (ACR) · United States · Ghg Management
129.9K
issued tCO₂e
A-GAS RemTec 2014-1
Climate Action Reserve (CAR) · United States · Ghg Management
129.8K
issued tCO₂e
EOS ACR 240
American Carbon Registry (ACR) · United States · Ghg Management
129.7K
issued tCO₂e
Tradewater ODS 28
American Carbon Registry (ACR) · United States · Ghg Management
129.7K
issued tCO₂e
Tradewater ODS 47
American Carbon Registry (ACR) · United States · Ghg Management
129.5K
issued tCO₂e
A-GAS RemTec 2013-5
Climate Action Reserve (CAR) · United States · Ghg Management
129.1K
issued tCO₂e
DPC Domestic ODS Destruction Project #21
Climate Action Reserve (CAR) · United States · Ghg Management
128.2K
issued tCO₂e
A-Gas 2018-8
Climate Action Reserve (CAR) · United States · Ghg Management
128.0K
issued tCO₂e
EOS ACR 213
American Carbon Registry (ACR) · United States · Ghg Management
127.7K
issued tCO₂e
ClimeCo ODS Destruction 34
Climate Action Reserve (CAR) · United States · Ghg Management
127.3K
issued tCO₂e
Questions about ARB-OZONE
How many projects use ARB-OZONE?
107 projects, in 1 country, as of June 2026.
Is ARB-OZONE approved by the ICVCM?
Methodology approved for the CCP label.
How much of the credits issued under ARB-OZONE have been retired?
79.7%, or 7,591,288 of 9,519,666 tonnes.