On the Puro Registry you can view CO2 Removal Certificates, or CORCs, that have been retired and the projects that issued them. CORCs are retired when a beneficiary makes a net zero or carbon neutrality claim that is supported by the CORCs’ carbon removal properties. Each CORC represents a Net Carbon Dioxide Removal volume of one (1) metric ton of Long-Term CO2 Removal.
Methodology
Retirement date | Beneficiary | Retired CORCs | Projects | Methodologies | |
---|---|---|---|---|---|
27 May 2025 | CNaught customers | 10 | Farm Gai Kaisa 159 | Biochar | |
22 May 2025 | Ampere Support Office B.V. | 67 | Freres Lumber Co., Inc. | Biochar | |
22 May 2025 | - | 185 | Freres Lumber Co., Inc. | Biochar | |
22 May 2025 | Sparebanken Norge | 27 | OBIO Rudshøgda | Biochar | |
21 May 2025 | GitLab Inc. | 10 | Restoration Fuels | Biochar | |
21 May 2025 | GitLab Inc. | 78 | Aperam BioEnergia | Biochar | |
21 May 2025 | Carbon Finance Labs llc | 136 | Sonnenerde Pyreg 500, ECOERA Millennium 1 Hammenhög Skånefrö, ECHO2 Holla-Fresh, Aperam BioEnergia | Biochar | |
20 May 2025 | - | 56 | Alcom-01-NuevaEcijaPhilippines | Biochar | |
20 May 2025 | Down to Earth | 3 | OBIO Rudshøgda | Biochar | |
19 May 2025 | Zooplus | 25 | Oregon Biochar Solutions | Biochar |
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