American Carbon Registry (ACR) Carbon Offset Projects
ACR is one of the oldest voluntary carbon offset registries in the United States, operating since 1996 and covering both voluntary and compliance-eligible project types.
979 projects tracked
Oak Grove Panel 50/51 Flare Project
American Carbon Registry (ACR) · United States · Ghg Management
30.9K
issued tCO₂e
Oak Grove Panel 52 Flare Project
American Carbon Registry (ACR) · United States · Ghg Management
28.1K
issued tCO₂e
Oak Grove Voluntary Project I
American Carbon Registry (ACR) · United States · Ghg Management
26.9K
issued tCO₂e
Oaktown Fuel 1 Mine Methane Incineration Project
American Carbon Registry (ACR) · United States · Ghg Management
50.2K
issued tCO₂e
Oaktown Fuel 2 Mine Methane Incineration Project
American Carbon Registry (ACR) · United States · Ghg Management
41.3K
issued tCO₂e
Oaktown Mine #1 CMM Project
American Carbon Registry (ACR) · United States · Ghg Management
Not yet issued
Ochoco Preserve Forest Carbon Project
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Olympic Rainforest Improved Forest Management Project
American Carbon Registry (ACR) · United States · Forest
Not yet issued
OMMC1
American Carbon Registry (ACR) · United States · Ghg Management
5.0K
issued tCO₂e
Orient 6 Abandoned Mine Methane Recovery Project
American Carbon Registry (ACR) · United States · Ghg Management
85.6K
issued tCO₂e
Ostrom Road Landfill, Wheatland, CA: GHG Emission Reduction Automation Collection of Landfill Gas
American Carbon Registry (ACR) · United States · Ghg Management
39.7K
issued tCO₂e
Otter Creek IFM
American Carbon Registry (ACR) · United States · Forest
195.3K
issued tCO₂e
Pamlico Point IFM Project
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Pattiki 2 Abandoned Mine Methane Recovery Project
American Carbon Registry (ACR) · United States · Ghg Management
179.1K
issued tCO₂e
Perennial CMM CMB10-4 Flare Project
American Carbon Registry (ACR) · United States · Ghg Management
139.7K
issued tCO₂e
Perennial CMM CMB3-5 Flare Project
American Carbon Registry (ACR) · United States · Ghg Management
126.6K
issued tCO₂e
Perennial CMM CMB32-8 Flare Project
American Carbon Registry (ACR) · United States · Ghg Management
Not yet issued
Perennial CMM CMB7-1 Flare Project
American Carbon Registry (ACR) · United States · Ghg Management
190.2K
issued tCO₂e
Perennial CMM CMB72-2-7 Flare Project
American Carbon Registry (ACR) · United States · Ghg Management
Not yet issued
Perennial CMM CMB8-6 Flare Project
American Carbon Registry (ACR) · United States · Ghg Management
68.0K
issued tCO₂e
Perennial CMM Emerald Mine AMM Flare Project
American Carbon Registry (ACR) · United States · Ghg Management
355.3K
issued tCO₂e
Perennial CMM HRS Dent's Run Flare Project
American Carbon Registry (ACR) · United States · Ghg Management
224.4K
issued tCO₂e
PERENNIAL CN9-1 AMM FLARE PROJECT
American Carbon Registry (ACR) · United States · Ghg Management
72.4K
issued tCO₂e
Perennial CN9-2 AMM FLARE PROJECT
American Carbon Registry (ACR) · United States · Ghg Management
No issuance recorded
Perennial OSG-1 AMM Flare Project
American Carbon Registry (ACR) · United States · Ghg Management
No issuance recorded
Registry data as of June 1, 2026