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What The Numbers Mean

In surveying companies, the CDP asked a range of questions in four major subject areas: Risks and Opportunities, Emissions Accounting, Performance Against Targets and Governance, which include everything from actual carbon emissions and energy consumption to emissions-reduction plans and corporate responsibility.

In summing up the results, the report created the Carbon Disclosure Leadership Index (CDLI), which measures each company’s responses to the survey and level of disclosure, with 100 being the highest score. The measure, however, does not fully reflect company performance in climate change management. Another measure included in the report is “Intensity,” which is a ratio of annual revenue compared to actual carbon emissions.

In the slides ahead, we show the top-performing companies by sector, as some are inherently more carbon-intensive than others. The greenest companies have both a high CDLI score (in the top 30 overall) and the lowest (best) carbon intensity score in their sector.

Photo Courtesy: Carbon Disclosure Project