2


Company responses are examined and assessed in a number of ways as part of the annual CDP Canada Report. An important high-level indicator for the quality and comprehensiveness of individual company responses is the carbon disclosure score, based on the CDP Rating Methodology.14


For


Canadian responses, the global CDP Rating Methodology is applied for the first time in 2010. In 2007, 2008, and 2009, a customized local scoring methodology was used to rate the disclosure quality of the responses. (See text box “2010 Rating Differs From 2009 Scoring Approach.”)


The companies with the highest carbon disclosure scores are listed in the CDLI.15


This index scores individual assessments based on


Canada’s Carbon Disclosure Leaders and Case Studies of Best Practices


the quality of their disclosure. The scoring is a measure of the quality of each company’s CDP response in both the quantity of information and depth of content. Performance is not measured in this year’s scoring of the Canada 200 responses. The scoring does not attempt to assess the details of the content or merit of actions taken by respondents. Data supplied by respondents are assumed to be reliable and not verified through the scoring process.


Further background information on disclosure rating and the interpretation of results is included in Appendix B.


The companies included in the CDLI— Canada’s Carbon Disclosure Leaders— have achieved superior scores relative to


The scoring is a measure of the quality of each company’s Carbon Disclosure Project response in both the quantity of information and depth of content.


2010 Rating Differs From 2009 Scoring Approach


The 2010 rating differs from the 2009 scoring approach in the following key points:


For the 2010 report, only public responses were scored. Private submissions did not receive a score. The individual company scores are not published in this report.


The high- and low-carbon impact distinction has been eliminated; this distinction had been made in previous years to make some accommodation for the reality that low-carbon impact companies tend not to have the same level of detail to disclose, which therefore made it more difficult to rank them as high as their high-carbon impact counterparts. With the adoption of the global CDP Rating Methodology, there is more adaptability to scoring appropriately for each sector. Therefore, they are on a level playing field and there is no need to differentiate the scoring between the two groupings.


14 The CDP Rating Methodology is revised on an annual basis to reflect changes in the CDP questionnaire and latest trends in carbon reporting. It is publicly available on the CDP website, www.cdproject.net/en-US/Respond/Documents/Rating_ Methodology_2010.xls.


15 In previous CDP Canada reports, the disclosure leadership rating was referred to as Climate Disclosure Leadership Ranking (CDLR).


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