All our carbon calculations are done following research completed by Cardiff University on how other libraries have calculated their carbon. (research unpublished currently)

We chose the method that the Edinburgh tool library uses:-
https://edinburghtoollibrary.org.uk/carbon-data-for-sharing-libraries/

Original Source Page if above is not available
https://www.libraryofstuff.co.uk/index.php/download_file/102/0

 

Calculations for the following are different due to not being listed above:-

Glass (recycled and non-recycled)

Source https://www.greenrationbook.org.uk/resources/footprints-glass/

Original Source Page if above is not available

https://www.libraryofstuff.co.uk/index.php/download_file/103/0