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.

Advanced Refrigeration US49 - ARS 001

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

199.6K

issued tCO₂e

Harrison County Flare I

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

198.9K

issued tCO₂e

Deep Mine 41 Mine Methane Incineration Project

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

198.5K

issued tCO₂e

Tradewater US - ODS - #10

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

198.2K

issued tCO₂e

Coolgas US ODS Project 1

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

198.0K

issued tCO₂e

Anew - Allagash Headwaters Forestry Project

American Carbon Registry (ACR) · United States · Forest

197.9K

issued tCO₂e

Verdeo McElroy VAM Abatement Project

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

197.4K

issued tCO₂e

Anew - Connecticut River Forestry Project

American Carbon Registry (ACR) · United States · Forest

197.4K

issued tCO₂e

Otter Creek IFM

American Carbon Registry (ACR) · United States · Forest

195.3K

issued tCO₂e

CE&S Dairy

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

195.3K

issued tCO₂e

Big Sky Dairy

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

194.2K

issued tCO₂e

A-GAS RemTec 2013-4

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

192.0K

issued tCO₂e

Advanced Refrigeration - ARS2023007

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

190.9K

issued tCO₂e

Perennial CMM CMB7-1 Flare Project

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

190.2K

issued tCO₂e

Hodag Forest Project (HFP)

American Carbon Registry (ACR) · United States · Forest

189.7K

issued tCO₂e

West Star North Dairy

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

187.6K

issued tCO₂e

Sooes Dickey IFM Project

American Carbon Registry (ACR) · United States · Forest

187.1K

issued tCO₂e

Anew - Sylvania Forestry Project

American Carbon Registry (ACR) · United States · Forest

186.4K

issued tCO₂e

A-Gas V7

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

186.4K

issued tCO₂e

Lower Green Swamp Preserve

American Carbon Registry (ACR) · United States · Forest

186.0K

issued tCO₂e

Charlotte County Zemel Road Landfill Gas Capture Project

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

185.6K

issued tCO₂e

Upper Rock LFG to Energy

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

184.6K

issued tCO₂e

Larimer County Landfill Gas Project

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

184.5K

issued tCO₂e

Berkeley County Landfill Gas Project

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

184.3K

issued tCO₂e

Mine 84 Abandoned Mine Methane Recovery Project

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

184.0K

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