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
Merit Energy Geo-Seq
American Carbon Registry (ACR) · United States · Ghg Management
7.3M
issued tCO₂e
Middle Fork Abandoned Mine Methane Recovery Project
American Carbon Registry (ACR) · United States · Ghg Management
78.9K
issued tCO₂e
Miller Forest
American Carbon Registry (ACR) · United States · Forest
354.9K
issued tCO₂e
Mine 84 Abandoned Mine Methane Recovery Project
American Carbon Registry (ACR) · United States · Ghg Management
410.6K
issued tCO₂e
Mississippi River Estates IFM Carbon Offset Project, Manulife IM
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Mississippi River Islands Forest Conservation Project
American Carbon Registry (ACR) · United States · Forest
462.8K
issued tCO₂e
Monell Geo-Seq
American Carbon Registry (ACR) · United States · Ghg Management
1.7M
issued tCO₂e
Monjolinho EnergÚtica S/A Hydropower Plant Project (Alzir dos Santos Antunes)
American Carbon Registry (ACR) · Brazil · Renewable Energy
673.6K
issued tCO₂e
Monongalia County Abandoned Mine Project
American Carbon Registry (ACR) · United States · Ghg Management
153.2K
issued tCO₂e
Mountainy Pond Forests
American Carbon Registry (ACR) · United States · Forest
Not yet issued
MS Renovaveis Wind Power Complex: Mar e Terra, Areia Branca, Embuaca and IcaraÝ
American Carbon Registry (ACR) · Brazil · Renewable Energy
610.2K
issued tCO₂e
NativState - Bottomland Forests of the Louisiana Mississippi River Delta (PDA)
American Carbon Registry (ACR) · United States · Forest
Not yet issued
NativState - Bottomland Forests of the Louisiana Plains (PDA)
American Carbon Registry (ACR) · United States · Forest
823.1K
issued tCO₂e
NativState - Bottomland Forests of the Lower Mississippi Valley (PDA)
American Carbon Registry (ACR) · United States · Forest
Not yet issued
NativState - Bottomland Forests of the Mississippi Alluvial Plain (PDA)
American Carbon Registry (ACR) · United States · Forest
Not yet issued
NativState - Bottomland Forests of the Mississippi Backswamps and Delta Mixed Forests (PDA)
American Carbon Registry (ACR) · United States · Forest
1.5M
issued tCO₂e
NativState - Bottomland Forests of the Mississippi Delta & Coastal Plains (PDA)
American Carbon Registry (ACR) · United States · Forest
585.2K
issued tCO₂e
NativState - Bottomland Forests of the Mississippi Delta and Piedmont (PDA)
American Carbon Registry (ACR) · United States · Forest
Not yet issued
NativState - Bottomland Forests of the South-Central Plains (PDA)
American Carbon Registry (ACR) · United States · Forest
Not yet issued
NativState - Calion Ouachita River Wilderness
American Carbon Registry (ACR) · United States · Forest
673.2K
issued tCO₂e
NativState - Central Interior Forests of the Boston Mountains and Ozark Hills (PDA)
American Carbon Registry (ACR) · United States · Forest
Not yet issued
NativState - Forests of the Ozark Central Interior Highlands (PDA)
American Carbon Registry (ACR) · United States · Forest
Not yet issued
NativState - Middle Mixed Forests of the Arkansas Valley, Western Mid Coastal Plain, and Mississippi Delta (PDA)
American Carbon Registry (ACR) · United States · Forest
Not yet issued
NativState - Mississippi Delta Mixed Forests (PDA)
American Carbon Registry (ACR) · United States · Forest
Not yet issued
NativState - Mixed and Broadleaf Forests of the Central Interior (PDA)
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Registry data as of June 1, 2026