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
Castelanelli Bros Dairy Digester
American Carbon Registry (ACR) · United States · Ghg Management
11.3K
issued tCO₂e
Cedar Flats IFM Project
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Certified Reclaimed HFC Refrigerants, Propellants, and Fire Suppressants- 2025001
American Carbon Registry (ACR) · United States · Ghg Management
300.6K
issued tCO₂e
Certified Reclaimed HFC Refrigerants, Propellants, and Fire Suppressants-2024001
American Carbon Registry (ACR) · United States · Ghg Management
179.5K
issued tCO₂e
Certified Reclaimed HFC Refrigerants, Propellants, and Fire Suppressants-2024002
American Carbon Registry (ACR) · United States · Ghg Management
215.2K
issued tCO₂e
CH4 - BWM Carbon Capture Project 1
American Carbon Registry (ACR) · United States · Ghg Management
104.9K
issued tCO₂e
CH4-BWM Carbon Capture Project 2
American Carbon Registry (ACR) · United States · Ghg Management
79.9K
issued tCO₂e
Chahta Yakni Ishtayah
American Carbon Registry (ACR) · United States · Forest
392.5K
issued tCO₂e
Challenge Tree Farm IFM Project
American Carbon Registry (ACR) · United States · Forest
33.9K
issued tCO₂e
Cherry Creek Avoided Conversion Project
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Chesapeake Mizer Pneumatic Retrofit
American Carbon Registry (ACR) · United States · Ghg Management
541.8K
issued tCO₂e
Chestnut American Woodlands Project 1
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Chicago LFG to Energy
American Carbon Registry (ACR) · United States · Ghg Management
62.3K
issued tCO₂e
CIG Pilot Project 1 - Nitrogen Management Credit Program (NMCP) Project
American Carbon Registry (ACR) · United States · Agriculture
70
issued tCO₂e
Clean Fuel Partners Dane County Biodigester
American Carbon Registry (ACR) · United States · Ghg Management
47.8K
issued tCO₂e
Clear Heart
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
CMMC1
American Carbon Registry (ACR) · United States · Ghg Management
56.1K
issued tCO₂e
CMMC2
American Carbon Registry (ACR) · United States · Ghg Management
20.7K
issued tCO₂e
CMMC3
American Carbon Registry (ACR) · United States · Ghg Management
49.8K
issued tCO₂e
CO Orphan Well P&A CS-23-001
American Carbon Registry (ACR) · United States · Ghg Management
78.0K
issued tCO₂e
CO Orphan Well P&A CS-24-01
American Carbon Registry (ACR) · United States · Ghg Management
Not yet issued
Coastal Edge IFM
American Carbon Registry (ACR) · United States · Forest
183.9K
issued tCO₂e
Cold Hollow Carbon - Improved Forest Management Project
American Carbon Registry (ACR) · United States · Forest
290.6K
issued tCO₂e
Congaree River
American Carbon Registry (ACR) · United States · Forest
226.1K
issued tCO₂e
Coolgas 2019-2
American Carbon Registry (ACR) · United States · Ghg Management
113.6K
issued tCO₂e
Registry data as of June 1, 2026