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 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.

Hawk Mountain Forestry Project

American Carbon Registry (ACR) · United States · Forest

221.1K

issued tCO₂e

Finite Carbon - Green Acre Woodlands IFM

American Carbon Registry (ACR) · United States · Forest

220.8K

issued tCO₂e

New Era Abandoned Mine Methane Recovery Project

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

220.1K

issued tCO₂e

Anew - White Mountain Forestry Project

American Carbon Registry (ACR) · United States · Forest

219.3K

issued tCO₂e

Wabash Abandoned Mine Methane Recovery Project

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

218.7K

issued tCO₂e

Tangipahoa GHG Project

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

217.8K

issued tCO₂e

Prairie Pothole Avoided Conversion of Grasslands and Shrublands

American Carbon Registry (ACR) · United States · Land Use

217.0K

issued tCO₂e

Carlisle Abandoned Mine Methane Recovery Project

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

215.9K

issued tCO₂e

Albany Water Board - Improved Forest Management Project

American Carbon Registry (ACR) · United States · Forest

215.8K

issued tCO₂e

Cedar Grove Composting

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

215.4K

issued tCO₂e

Certified Reclaimed HFC Refrigerants, Propellants, and Fire Suppressants-2024002

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

215.2K

issued tCO₂e

St. Landry Parish Sanitary Landfill

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

214.7K

issued tCO₂e

Harrison County Flare II

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

214.3K

issued tCO₂e

Spray Foam Alpha 3

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

212.3K

issued tCO₂e

The Nature Conservancy Washington Rainforest Renewal Project

American Carbon Registry (ACR) · United States · Forest

210.9K

issued tCO₂e

RemTec International ODS Destruction Domestic Project #1

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

210.6K

issued tCO₂e

Improvements in Vehicle Efficiency for Marten Transport

American Carbon Registry (ACR) · United States · Energy Efficiency

207.5K

issued tCO₂e

HT HFC Reclamation Project Champaign 2022-2

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

205.8K

issued tCO₂e

Anew - East Branch Forestry Project

American Carbon Registry (ACR) · United States · Forest

204.1K

issued tCO₂e

Royal Dairy Solid Separation Enhanced by Vermicomposting

Verra · United States · Renewable Energy

202.1K

issued tCO₂e

Rosetta IFM Project

American Carbon Registry (ACR) · United States · Forest

201.7K

issued tCO₂e

Katahdin Iron Works Ecological Reserve

Climate Action Reserve (CAR) · United States · Forest

201.6K

issued tCO₂e

Spray Foam Alpha

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

200.9K

issued tCO₂e

Blue Ridge Landfill

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

200.4K

issued tCO₂e

Blue Mountain Biogas

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

200.0K

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