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
Green Diamond Resource Company Klamath East IFM
American Carbon Registry (ACR) · United States · Forest
1.1M
issued tCO₂e
Green Diamond Resource Company Klamath River North IFM
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Green Diamond Resource Company Klamath West IFM
American Carbon Registry (ACR) · United States · Forest
1.3M
issued tCO₂e
Green Diamond Resource Company Longbell IFM
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Green Diamond Resource Company Lost Trail IFM
American Carbon Registry (ACR) · United States · Forest
13.5K
issued tCO₂e
Green Diamond Resource Company Mad River IFM
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Green Diamond Resource Company ORO East IFM
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Green Diamond Resource Company ORO North IFM
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Green Diamond Resource Company ORO South IFM
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Green Diamond Resource Company Southwide Afforestation 1
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Green Diamond Resource Company Thompson River IFM
American Carbon Registry (ACR) · United States · Forest
99.8K
issued tCO₂e
Green Meadow Farm
American Carbon Registry (ACR) · United States · Ghg Management
19.3K
issued tCO₂e
Green Valley Abandoned Mine Methane Recovery Project
American Carbon Registry (ACR) · United States · Ghg Management
31.9K
issued tCO₂e
GreenTrees ACRE (Advanced Carbon Restored Ecosystem)
American Carbon Registry (ACR) · United States · Forest
7.8M
issued tCO₂e
Greenwood Dairy Anaerobic Digester
American Carbon Registry (ACR) · United States · Ghg Management
67.2K
issued tCO₂e
Gulf Coastal Plain IFM Project
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Hanes Ranch Forest Carbon Project
American Carbon Registry (ACR) · United States · Forest
171.8K
issued tCO₂e
Harrison County Flare I
American Carbon Registry (ACR) · United States · Ghg Management
198.9K
issued tCO₂e
Harrison County Flare II
American Carbon Registry (ACR) · United States · Ghg Management
214.3K
issued tCO₂e
Harrison County Flare III
American Carbon Registry (ACR) · United States · Ghg Management
23.7K
issued tCO₂e
Hawk Mountain Forestry Project
American Carbon Registry (ACR) · United States · Forest
221.1K
issued tCO₂e
Hay Road Landfill, Vacaville, CA: GHG Emission Reduction Automation Collection of Landfill Gas
American Carbon Registry (ACR) · United States · Ghg Management
127.0K
issued tCO₂e
Heartland Methane Abatement and Land Restoration รป Packard & Kottke Ranch Project
American Carbon Registry (ACR) · United States · Ghg Management
80.8K
issued tCO₂e
Heartland Methane Abatement and Land Restoration Project 2
American Carbon Registry (ACR) · United States · Ghg Management
1.9M
issued tCO₂e
Heartland Methane Abatement and Land Restoration Project 3
American Carbon Registry (ACR) · United States · Ghg Management
989.7K
issued tCO₂e
Registry data as of June 1, 2026