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
639 857
Issued CORCs
1 117 721
Projects
81

Methodology

Retirement dateSort
Beneficiary
Retired CORCsSort
Projects
Methodologies
19 May 2025Zooplus25Oregon Biochar SolutionsBiochar
16 May 2025thyssenkrupp Materials Nederland B.V.25Ekovilla 2 KuusankoskiWooden Building Elements
16 May 2025- 51Bussme-01-SvedalaBiochar
15 May 2025Global Climate Changer404Igloo Cellulose Inc.Wooden Building Elements
13 May 2025Workspace Group375Leeds Production FacilityCarbonated Materials
13 May 2025Jefferies Financial Group Inc200Aperam BioEnergiaBiochar
12 May 2025GE Aerospace1009Exomad Green, ConcepciónBiochar
12 May 2025Messier Holdings Limited (trading as Pinwheel)20Aperam BioEnergiaBiochar
11 May 2025- 351NetZero-003-Brejetuba, NetZero-002-LajinhaBiochar
08 May 2025Wesleyan Assurance15Leeds Production FacilityCarbonated Materials
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