(i) the GHG Emissions Calculation Tool is a free, Excel-based tool from Greenhouse Gas Protocol and WRI that helps companies estimate their greenhouse gas (GHG) emissions based on the GHG Protocol. This tool is currently available as a beta version. (ii) Calculation approaches Stationary Combustion, Mobile Combustion, Refrigerants, Purchased Electricity, Transportation (iii) Currently, separate sets of emission factors are available for the UK and US. Location-based Scope 2 emission factors are also available for the US, Canada and Australia, while market-based residual mix emission factors are available for the US, Canada and all European counties. (iv) unknown https://ghgprotocol.org/calculation-tools
