Reasons for optimism
Tecnicalities by sector
Standards of administration in a democracy
Version 4The current version of the calculator (Version 4) was published in January 2019 to incorporate the latest emission factors and other information.
The main change in Version 4 from Version 3 is:
Version 3The previous version of the calculator was Version 3, published in March 2008. It is still available at https://www.carbonindependent.org/index_v3.html to enable a like-for-like comparison with previous carbon footprint estimates made using version 3.
The main changes in version 3 from version 2 were:
The factors unchanged were:
Updates were made in December 2013 to include coal, wood, bottled gas, and newer "green" electricity tariffs.
Cosmetic changes were made in February 2015, together with a change from .htm to .html filetype, but there were no changes to the underlying calculations.
Version 2This was first published in August 2007 - and was superseded in March 2008.
Version 1This was first published in February 2007 - and was superseded in August 2007.
First published: 2008
Last updated: 12 Jul 2019