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
Hudson Tech 2023-3
American Carbon Registry (ACR) · United States · Ghg Management
30.0K
issued tCO₂e
Hudson Tech 2024-1
American Carbon Registry (ACR) · United States · Ghg Management
83.2K
issued tCO₂e
Hudson Tech 2024-2
American Carbon Registry (ACR) · United States · Ghg Management
120.7K
issued tCO₂e
Hudson Tech 2024-3
American Carbon Registry (ACR) · United States · Ghg Management
45.7K
issued tCO₂e
Hudson Tech 2025-1
American Carbon Registry (ACR) · United States · Ghg Management
61.0K
issued tCO₂e
Hudson Tech 2025-2 Washington
American Carbon Registry (ACR) · United States · Ghg Management
53.7K
issued tCO₂e
Hudson Tech 2025-3 Washington
American Carbon Registry (ACR) · United States · Ghg Management
81.3K
issued tCO₂e
Hudson Tech 2026-1 Washington
American Carbon Registry (ACR) · United States · Ghg Management
Not yet issued
Hudson Tech HFC Reclamation Project 2020-1
American Carbon Registry (ACR) · United States · Ghg Management
269.8K
issued tCO₂e
Hudson Technologies HFC Reclamation Project 2020 - Georgia
American Carbon Registry (ACR) · United States · Ghg Management
688.6K
issued tCO₂e
Hudson Technologies HFC Reclamation Project Champaign 2020
American Carbon Registry (ACR) · United States · Ghg Management
903.6K
issued tCO₂e
Hudson Technologies HFC Reclamation Project Ontario 2020
American Carbon Registry (ACR) · United States · Ghg Management
156.9K
issued tCO₂e
Huron Mountain Club Forest Carbon Project
American Carbon Registry (ACR) · United States · Forest
1.5M
issued tCO₂e
ILTF/NICC & Blackfeet Indian Nation Forest Carbon Project
American Carbon Registry (ACR) · United States · Forest
665.8K
issued tCO₂e
ILTF/NICC & SIG Keweenaw Bay Indian Community Forest Carbon Project
American Carbon Registry (ACR) · United States · Forest
806.6K
issued tCO₂e
ILTF/NICC & SIG Fond Du Lac Band Forest Carbon Project
American Carbon Registry (ACR) · United States · Forest
411.5K
issued tCO₂e
Improvements in Vehicle Efficiency for Crete Carrier Corp
American Carbon Registry (ACR) · United States · Energy Efficiency
267.1K
issued tCO₂e
Improvements in Vehicle Efficiency for Marten Transport
American Carbon Registry (ACR) · United States · Energy Efficiency
207.5K
issued tCO₂e
Inland Empire Anaerobic Ag Digester
American Carbon Registry (ACR) · United States
44.2K
issued tCO₂e
International Destruction - 2025001
American Carbon Registry (ACR) · France · Ghg Management
Not yet issued
International Paper
American Carbon Registry (ACR) · United States
439.0K
issued tCO₂e
Kettle Butte Digester
American Carbon Registry (ACR) · United States · Ghg Management
103.0K
issued tCO₂e
Kibby Skinner IFM Project
American Carbon Registry (ACR) · United States · Forest
166.4K
issued tCO₂e
Kielty Abandoned Mine Methane Recovery Project
American Carbon Registry (ACR) · United States · Ghg Management
118.5K
issued tCO₂e
Kite Hammock IFM
American Carbon Registry (ACR) · United States · Forest
275.2K
issued tCO₂e
Registry data as of June 1, 2026