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
722 639
Issued CORCs
1 261 700
Projects
94

Methodology

Retirement dateSort
Beneficiary
Retired CORCsSort
Projects
Methodologies
21 Oct 2025Anthesis100Novocarbo Baltic SeaBiochar, 2022
15 Oct 2025Tiger Global Management48Farm Gai Kaisa 159Biochar, 2022
15 Oct 2025- 1670Varaha Corn Seed Facility 1 : Pooling ID 301704Biochar, 2022
07 Oct 2025Tide Platform Limited 167Exomad Green, ConcepciónBiochar, 2022
06 Oct 2025Finavia Oyj20Exomad Green, ConcepciónBiochar, 2022
03 Oct 2025Stripe, Inc.5Orca plantGeologically stored carbon
02 Oct 2025Bain & Company748Eion - Twinterstellar 3021Enhanced Rock Weathering, 2022
02 Oct 2025UpCloud Oy10Hjelmsäters EgendomBiochar, 2022
01 Oct 2025- 4Carbon Cycle, 001, Rieden, DEBiochar, 2022
30 Sept 2025Cloverly Buyers55Premier Forest, Newport, Wakefield Biochar Facility 1Biochar, 2022
...

Show

out of

1159