Triple Bottom Line Accounting
and Scope 3 Carbon Footprint Analysis with TBL2

TBL2 UK is the successor of our successful Bottomline³ UK tool and is available for UK consultancies. The TBL2 tool offers complete carbon footprint and triple bottom line accounting for companies and organisations, based on Nobel-Prize-winning, environmental input-output analysis. A full upstream scope 3 (supply chain) accounting of greenhouse gases of any organisation can easily be performed by using its financial accounts. Create comprehensive sustainability reports based on triple bottom line and carbon/ecological footprint accounting.

Financial accounts are the main data source for the analysis, together with on-site impact data. There is no additional data collection effort. The outputs are powerful diagrams and tables forming the backbone of a comprehensive sustainability report. Sector benchmarking, supply chain analysis and production layer graphs are available for all indicators. Triple bottom line accounting routinely covers social, economic and environmental indicators and enables decision-makers to quantify trade-offs between different facets of sustainability.

The critical advantage of TBL2 is that it includes both the direct (on-site, internal, immediate) effects as well as the indirect (off-site, external, upstream) effects associated with a large and distant web of supply paths. This includes an easy and full upstream scope 3 (supply chain) accounting of greenhouse gases - a feature not offered by any other tool on the market! Assessing indirect impacts is critical because it enables meaningful benchmarking, avoids loopholes in reporting and informs about real risk. Understanding the carbon intensity of supply chains is important because the future cost of carbon will have a ripple effect through high-carbon supply chains. TBL2 helps to prioritise action and to encourage the greening of supply chains.

The 2010 release of TBL2 for the United Kingdom features:

• Distinction of 246 economic sectors and product groups


• Basket of all six major greenhouse gases (CO₂, CH₄, N₂O, HFC, PFC, SF₆)


• New ecological footprint land types in accordance with GFN standard


• Environmental data from 2007, economic (input-output) data from 2004


• Model data adaptation to current financial year and previous years


• Continuous update to most recent year for economic and environmental data available


• Contact us at infocensa.org.uk for more information about consultancy licensing

Online Resources

• Read reviews of TBL2


• Download a 2-page leaflet of Bottomline³ UK, the predecessor of TBL2


• Download a software trial of Bottomline³ UK (2007 version, not updated)


• Watch a demo video of Bottomline³


• Learn more about the methodology and read Information Sheets on sustainability reporting for organisations

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