Table 1 A summary of the registry databases that were searched when aggregating the dataset.

From: An open-access database of nature-based carbon offset project boundaries

Registry

Access date

Date of oldest project

Link to Registry

American Carbon Registry

01/20/2024

05/14/1999

26

BioCarbon Standard

09/07/2023

01/01/2010

27

Climate Action Reserve

03/14/2024

11/14/2001

28

EcoRegistry

07/25/2023

03/01/2007

29

Gold Standard

09/06/2023

01/01/1995

30

Verra

10/25/2023

04/05/1999

31

  1. The date of database access, the date of the oldest project registered within each database, and the registry access links are provided. Document types retrieved from all registries were project description documents (.pdf, .docx) and project spatial boundaries (kml, .kmz, .shp).
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