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

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

What these figures mean

Most used methodologies

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.

Holsum Irish Dairy

Climate Action Reserve (CAR) · United States · Ghg Management

17.7K

issued tCO₂e

MRO Grouped Wind Projects Phase II

Verra · United States · Renewable Energy

17.6K

issued tCO₂e

Colebrook Landfill

Climate Action Reserve (CAR) · United States · Ghg Management

17.5K

issued tCO₂e

Advanced Refrigeration CAN - ARS 001C

American Carbon Registry (ACR) · United States · Ghg Management

17.5K

issued tCO₂e

Remley Family Farms Anaerobic Digester

Climate Action Reserve (CAR) · United States · Ghg Management

17.5K

issued tCO₂e

Fair Oaks Dairy Farm LLC Cyclus-Designed Digester

Climate Action Reserve (CAR) · United States · Ghg Management

17.4K

issued tCO₂e

Storms Hog Power, LLC

Climate Action Reserve (CAR) · United States · Ghg Management

17.3K

issued tCO₂e

TWRS 2

American Carbon Registry (ACR) · United States · Ghg Management

17.2K

issued tCO₂e

Lompico Forest Carbon Project

Climate Action Reserve (CAR) · United States · Forest

17.2K

issued tCO₂e

Bos Dairy Farm Project

Verra · United States · Ghg Management

17.0K

issued tCO₂e

Edaleen Cow Power, LLC

Climate Action Reserve (CAR) · United States · Ghg Management

16.9K

issued tCO₂e

Loblolly Project

Isometric · United States · Biomass Cdr

16.6K

issued tCO₂e

A-Gas V3

American Carbon Registry (ACR) · United States · Ghg Management

16.5K

issued tCO₂e

Ideal Family Farms Digester Project

Climate Action Reserve (CAR) · United States · Ghg Management

16.4K

issued tCO₂e

Advanced Refrigeration CAN - ARS 005C

American Carbon Registry (ACR) · United States · Ghg Management

16.1K

issued tCO₂e

Middle Fork II Avoided Grassland Conversion

Climate Action Reserve (CAR) · United States · Land Use

16.1K

issued tCO₂e

A-Gas ODS-VER1

American Carbon Registry (ACR) · United States · Ghg Management

15.9K

issued tCO₂e

Advanced Refrigeration - ARS2024002

American Carbon Registry (ACR) · United States · Ghg Management

15.7K

issued tCO₂e

Pinnacle Mine Methane Incineration Project

American Carbon Registry (ACR) · United States · Ghg Management

15.7K

issued tCO₂e

Advanced Refrigeration and HFC Draw Down - Project 007B - Canada

American Carbon Registry (ACR) · United States · Ghg Management

15.2K

issued tCO₂e

Tri Cities VA Landfill

Climate Action Reserve (CAR) · United States · Ghg Management

15.2K

issued tCO₂e

Valencia College Campus-wide Clean Energy and Energy Efficiency Project

Verra · United States · Energy Efficiency

15.0K

issued tCO₂e

Lower Mississippi Valley Reforestation

American Carbon Registry (ACR) · United States · Forest

14.9K

issued tCO₂e

Synergy Biogas, LLC

Climate Action Reserve (CAR) · United States · Ghg Management

14.9K

issued tCO₂e

PMMC1

American Carbon Registry (ACR) · United States · Ghg Management

14.8K

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).

All countries Carbon Offset Projects Database How to read the Credit Passport

Registry data as of June 1, 2026