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
Spray Foam Omega 4
American Carbon Registry (ACR) · United States · Ghg Management
804.8K
issued tCO₂e
Spray Foam Omega 4C
American Carbon Registry (ACR) · Canada · Ghg Management
189.5K
issued tCO₂e
Spray Foam Omega 5
American Carbon Registry (ACR) · United States · Ghg Management
675.6K
issued tCO₂e
Spray Foam Omega 5C
American Carbon Registry (ACR) · Canada · Ghg Management
154.4K
issued tCO₂e
Staten Island CA
American Carbon Registry (ACR) · United States · Land Use
Not yet issued
Statz B Farm Anaerobic Digester
American Carbon Registry (ACR) · United States · Ghg Management
35.2K
issued tCO₂e
Statz Bros. Home Farm Anaerobic Digester
American Carbon Registry (ACR) · United States · Ghg Management
20.1K
issued tCO₂e
Steuben County Bath Landfill GHG Offset Project
American Carbon Registry (ACR) · United States · Ghg Management
348.9K
issued tCO₂e
Steuben County DPW LFG
American Carbon Registry (ACR) · United States · Ghg Management
129.2K
issued tCO₂e
Stimson Montana Forestlands Carbon Project
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Storrie Fire Reforestation
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
Storrie Fire Reforestation Compliance Project
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
Streator LFG to Energy
American Carbon Registry (ACR) · United States · Ghg Management
47.2K
issued tCO₂e
Summit HFC Reclaim 2020
American Carbon Registry (ACR) · United States · Ghg Management
90.4K
issued tCO₂e
Summit HFC Reclaim 2021
American Carbon Registry (ACR) · United States · Ghg Management
134.0K
issued tCO₂e
Summit HFC Reclaim 2022
American Carbon Registry (ACR) · United States · Ghg Management
128.2K
issued tCO₂e
Summit HFC Reclaim 2023
American Carbon Registry (ACR) · United States · Ghg Management
148.2K
issued tCO₂e
Summit HFC Reclaim 2024
American Carbon Registry (ACR) · United States · Ghg Management
Not yet issued
Synergy Biogas, LLC
American Carbon Registry (ACR) · United States · Ghg Management
48.4K
issued tCO₂e
TCT Meridian Northwest IFM
American Carbon Registry (ACR) · United States · Forest
Not yet issued
Tecnosol Solar Electrification
American Carbon Registry (ACR) · Nicaragua · Renewable Energy
3.9K
issued tCO₂e
The Audubon Borestone Mountain Carbon Project
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
The Bridgestone Chestnut Mountain Carbon Project
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
The Caulk Island Forest Carbon Project
American Carbon Registry (ACR) · United States · Forest
No issuance recorded
The Dry Creek Dairy Biofactory Project
American Carbon Registry (ACR) · United States · Ghg Management
298.2K
issued tCO₂e
Registry data as of June 1, 2026