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A measure of the company's productivity in relation to greenhouse gas emissions as compared to other companies in their industry
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In the first step, each company's GHG Productivity is calculated for 2012, with GHG Productivity defined as Revenue ($US) / Total Greenhouse gas (GHG) Emissions (CO2e). Only Scope 1 and Scope 2 emissions are included according to the GHG Protocol. Each company_s GHG Productivity is then percent-ranked against that of all Industry Group peers in the CKC research universe and multiplied by 0.75. In the second step, the change in each company_s GHG Productivity from 2010-2012 is calculated and percent-ranked against that of all same-industry group peers within the CKC research universe. If the company_s percent-ranked 2012 GHG Productivity is top quartile, their percent-ranked change in GHG Productivity for 2010-2012 is multiplied by 1 and then by 0.25. If the company_s percent-ranked 2012 GHG Productivity is second quartile, their percent-ranked change in GHG Productivity for 2010-2012 is multiplied by 0.75 and then by 0.25. If the company_s percent-ranked 2012 GHG Productivity is third quartile, their percente ranked change in GHG Productivity for 2010-2012 is multiplied by 0.5 and then by 0.25. If the company_s percent-ranked 2012 GHG Productivity is bottom quartile, their percent-ranked change in GHG Productivity for 2010-2012 is multiplied by 0.25 and then by 0.25. In the third step, the values from the first and second steps are totaled and then multiplied by 0.9. In the fourth step, if the company disclosed Scope 3 GHG emissions in 2012, a score of 100% is attributed and then multiplied by 0.1. Otherwise, a score of 0% is given. In the final step, the scores from the third and fourth steps are added.