Emissions by sector
The current version of the calculator is Version 3, published in March 2008.
It is now 10 years old and some of the factors are out of date. A new version is being prepared, but this is unlikely to result in any major change to the priorites for action on climate change.
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.
This was first published in August 2007 - and was superseded in March 2008.
This was first published in February 2007 - and was superseded in August 2007.
First published: 2008
Last updated: 25 Nov 2018