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
662 973
Issued CORCs
1 173 786
Projects
91

Methodology

Issuance dateSort
Project
Issued CORCsSort
Methodology
Labels
18 Aug 2025BBB - AWJ_Newton Rigg (JNR)177Biochar, 2022
CORC 100+
18 Aug 2025Exomad Green, Concepción7818Biochar, 2022
CORC 100+
12 Aug 2025BBB - Ahlstrom_Radcliffe99Biochar, 2022
CORC 100+
12 Aug 2025Varaha Corn Seed Facility 2 : Pooling ID 3017041274Biochar, 2022
CORC 100+
08 Aug 2025NetZero-003-Brejetuba452Biochar, 2022
CORC 100+
08 Aug 2025NetZero-002-Lajinha873Biochar, 2022
CORC 100+
08 Aug 2025Bio-Logical Mt Kenya Biochar Project278Biochar, 2022
CORC 100+
08 Aug 2025Bio-Logical Mt Kenya Biochar Project432Biochar, 2022
CORC 100+
05 Aug 2025Exomad Green, Riberalta4106Biochar, 2022
CORC 100+
01 Aug 2025Alcom-01-NuevaEcijaPhilippines132Biochar, 2022
CORC 100+
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