| Score | Column Heading | 
 
   
   | 0 | No disclosure and/or discussion related to environmental issues. | 
 
   
   | 1 | General terms. Coverage is minimum, little detail – general terms. | 
 
   
   | 2 | Descriptive information. Company disclosure is clear on the impact of the company or its policies. | 
 
   
   | 3 | Quantitative information: the impact of the environment was clearly defined in actual physical quantities or monetary terms. Measurement methodology of environmental performance provided is clear. | 
 
   
   | 4 | Truly extraordinary. Both negative and positive environmental disclosure included. Disclosure of sustainability reports and annual reports provide the same information. |