Puro Registry for durable carbon
removal credits

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.

Retired CORCs

584 388

Issued CORCs

1 101 307

Projects

79

Methodology

Retirement dateSort
Beneficiary
Retired CORCsSort
Projects
Methodologies
21 Mar 2025Bain & Company453NetZero-002-LajinhaBiochar
21 Mar 2025Bain & Company22NetZero-003-BrejetubaBiochar
21 Mar 2025GitLab Inc.5Restoration FuelsBiochar
21 Mar 2025Union Square Ventures LLC200Wakefield Biochar Facility 2Biochar
20 Mar 2025GitLab Inc.46Aperam BioEnergiaBiochar
18 Mar 2025Patients Know Best Limited284Exomad Green, RiberaltaBiochar
17 Mar 2025Quadrature Capital Limited2498Exomad Green, ConcepciónBiochar
14 Mar 2025Bain & Company993Leeds Production FacilityCarbonated Materials
14 Mar 2025Shopify Inc.138LurinBiochar
14 Mar 2025Uppsala Kommun12Carbofex Nokia 1Biochar
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