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
657 432
Issued CORCs
1 143 468
Projects
86

Methodology

Retirement dateSort
Beneficiary
Retired CORCsSort
Projects
Methodologies
08 Jul 2025- 5Carbon Cycle, 001, Rieden, DEBiochar
08 Jul 2025Nasdaq, Inc.8500Red Trail Energy LLCGeologically stored carbon
03 Jul 2025WRLD Foundation19InterEarth BowgadaTerrestrial Storage of Biomass
02 Jul 2025Indecap6OBIO RudshøgdaBiochar
02 Jul 2025Indecap2Carbon Cycle, 001, Rieden, DEBiochar
01 Jul 2025RSHP Architects Ltd168Exomad Green, ConcepciónBiochar
27 Jun 2025- 10Industrial Biochar project developed alongside corn growing smallholdersBiochar
26 Jun 2025Zurich Insurance Company Ltd659Wakefield Biochar Facility 2Biochar
24 Jun 2025REPT BATTERO Energy Co., Ltd.7Nian'da Biochar FacilityBiochar
20 Jun 2025GEORG FİSCHER HAKAN PLASTİK BORU VE PROFİL SAN.TİC.A.Ş.j55Exomad Green, RiberaltaBiochar
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