Carbon credit projects in United States
Registry records list 1,909 carbon credit projects in United States, most of them ghg management. Together they have issued 611,389,522 tonnes and retired 353,049,462.
Key figures
Projects
1,909
Registries
6
Credits issued
611,389,522 t
Credits retired
353,049,462 t
Source: Registry records · Data as of 1 June 2026
By registry
- American Carbon Registry (ACR) 910
- Climate Action Reserve (CAR) 766
- Verra 201
- Isometric 17
- Gold Standard 13
- Cercarbono 2
By category
- Ghg Management 1,117
- Forest 552
- Fuel Switching 50
- Land Use 44
- Agriculture 36
- Not specified 34
- Energy Efficiency 32
- Renewable Energy 20
- Biomass Cdr 20
- Alkalinity Cdr 3
- Air Capture 1
United States and Article 6
- Bilateral agreements
- 0
- Authority for the Paris Agreement Crediting Mechanism
- Not appointed
- Participation requirements for the Mechanism
- Not published
- Cooperative approaches
- 0
- Article 6.2 activities
- 0
- Crediting Mechanism activities approved by the host
- 0
- Crediting Mechanism activities registered
- 0
Country-level facts from UN tracking. Whether a particular project is authorised is not shown here.
Source: UN Article 6 tracking (Article 6 Pipeline, UNEP Copenhagen Climate Centre) · Data as of 4 September 2026
Most used methodologies
- ARB-FOREST 269 projects
- ARB-OZONE 228 projects
- ACR-IFM-NONFED 194 projects
- CAR-LANDFILL 128 projects
- ARB-LIVESTOCK 123 projects
- ARB-MINE-METHANE 122 projects
- CAR-LIVESTOCK 70 projects
- ACR-HFC 67 projects
- ACR-FOAM 67 projects
- ACR-REFRIGE 58 projects
Hazard context
- Wildfire
- High
- River flood
- High
- Drought
- High
Levels for the country as a whole, not for any one project site.
Source: ThinkHazard hazard assessments · Levels read 25 September 2026
Projects
Largest issuance first.
Heartland Methane Abatement and Land Restoration Project 4
American Carbon Registry (ACR) · United States · Ghg Management
1.4M
issued tCO₂e
BMMC1
American Carbon Registry (ACR) · United States · Ghg Management
1.3M
issued tCO₂e
Yurok Tribe Sustainable Forest Project
Climate Action Reserve (CAR) · United States · Forest
1.3M
issued tCO₂e
Garcia River Forest - ARB
Climate Action Reserve (CAR) · United States · Forest
1.3M
issued tCO₂e
Spray Foam Omega 2023
American Carbon Registry (ACR) · United States · Ghg Management
1.3M
issued tCO₂e
Martell
Climate Action Reserve (CAR) · United States · Forest
1.3M
issued tCO₂e
Mailliard Ranch
Climate Action Reserve (CAR) · United States · Forest
1.3M
issued tCO₂e
Green Diamond Resource Company Klamath West IFM
American Carbon Registry (ACR) · United States · Forest
1.3M
issued tCO₂e
HT HFC Reclamation Project Champaign 2021
American Carbon Registry (ACR) · United States · Ghg Management
1.3M
issued tCO₂e
Richardson Ranch
Climate Action Reserve (CAR) · United States · Forest
1.2M
issued tCO₂e
Finite Carbon - MWF Adirondacks IFM
Climate Action Reserve (CAR) · United States · Forest
1.2M
issued tCO₂e
HT HFC Reclamation Project Champaign 2023
American Carbon Registry (ACR) · United States · Ghg Management
1.2M
issued tCO₂e
Clinton Landfill Gas Collection and Combustion Project
Verra · United States · Ghg Management
1.2M
issued tCO₂e
Bewley Ranches
American Carbon Registry (ACR) · United States · Forest
1.2M
issued tCO₂e
Hollow Tree
Climate Action Reserve (CAR) · United States · Forest
1.2M
issued tCO₂e
Corinth Abandoned Mine Methane Recovery Project
American Carbon Registry (ACR) · United States · Ghg Management
1.2M
issued tCO₂e
Finite Carbon - Tyonek Native Alaskan IFM
American Carbon Registry (ACR) · United States · Forest
1.2M
issued tCO₂e
Spartanburg County Landfill Gas Combustion Project
Verra · United States · Ghg Management
1.2M
issued tCO₂e
Green Assets - Milbury Avoided Conversion Project
American Carbon Registry (ACR) · United States · Forest
1.2M
issued tCO₂e
Wolf Creek Landfill
Climate Action Reserve (CAR) · United States · Ghg Management
1.2M
issued tCO₂e
Green Diamond Resource Company Klamath East IFM
American Carbon Registry (ACR) · United States · Forest
1.1M
issued tCO₂e
Yurok Tribe/Forest Carbon Partners CKGG Improved Forest Management Project
Climate Action Reserve (CAR) · United States · Forest
1.1M
issued tCO₂e
Finite Carbon - JTO Champion Property IFM
Climate Action Reserve (CAR) · United States · Forest
1.1M
issued tCO₂e
Buckeye Forest Project
Climate Action Reserve (CAR) · United States · Forest
1.1M
issued tCO₂e
Finite Carbon - AMC Maine Woods Initiative IFM
American Carbon Registry (ACR) · United States · Forest
1.1M
issued tCO₂e
Questions about United States
How many carbon credit projects are in United States?
1,909, as of 1 June 2026.
Has United States signed Article 6 agreements?
UN tracking records no bilateral agreements for United States, as of 4 September 2026.
Which methodologies are most used in United States?
ARB-FOREST (269), ARB-OZONE (228), ACR-IFM-NONFED (194).
Registry data as of June 1, 2026