Previous versions of the BioGrace-II GHG calculation tools

The following previous versions of the BioGrace-II GHG calculation tool have been published:

• Version 1, September 2014.  This version only contained the Excel tool itself.
• Version 2, January 2015.
• Version 3, May 2015.
• Version 4 - Draft, September 2020
• Version 4a - February 2021

 
The current version is "version 4b" from April 2024.