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
720 629
Issued CORCs
1 260 830
Projects
93

Methodology

Issuance dateSort
Project
Issued CORCsSort
Methodology
Labels
30 Sept 2025Gevo North Dakota69771Geologically stored carbon
CORC 1000+
24 Sept 2025Eion - Twinterstellar 3021748Enhanced Rock Weathering, 2022
CORC 1000+
15 Sept 2025Exomad Green, Concepción7581Biochar, 2022
CORC 100+
12 Sept 2025Novocarbo Baltic Sea137Biochar, 2022
CORC 100+
10 Sept 2025Varaha Corn Seed Facility 1 : Pooling ID 3017042481Biochar, 2022
CORC 100+
09 Sept 2025Exomad Green, Riberalta4067Biochar, 2022
CORC 100+
01 Sept 2025EUTHENIA ENERGY CENTER1738Biochar, 2022
CORC 100+
25 Aug 2025Tierra Prieta - Parras521Biochar, 2022
CORC 100+
18 Aug 2025BBB - AWJ_Newton Rigg (JNR)177Biochar, 2022
CORC 100+
18 Aug 2025Exomad Green, Concepción7818Biochar, 2022
CORC 100+
...

Show

out of

473